Home / 90,105,278,662.31-124,345,420,762.10-48,905,673,208.13

Finding the Fourth Proportional to 90,105,278,662.31, 124,345,420,762.10 and 48,905,673,208.13

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Solution

The fourth proportional to 90,105,278,662.31, 124,345,420,762.10 and 48,905,673,208.13 is: 67,489,902,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,105,278,662.31 : 124,345,420,762.10 = 48,905,673,208.13 : x
  2. Step 2: Convert to fraction form
    90,105,278,662.31/124,345,420,762.10 = 48,905,673,208.13/x
  3. Step 3: Cross multiply
    90,105,278,662.31x = 124,345,420,762.10 × 48,905,673,208.13
  4. Step 4: Simplify right side
    90,105,278,662.31x = 6,081,196,512,718,063,927,296
  5. Step 5: Solve for x
    x = 6,081,196,512,718,063,927,296/90,105,278,662.31
  6. Step 6: Final answer
    x = 67,489,902,955.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.