Home / 90,721,499,157.04-125,195,681,094.84-50,076,418,303.76

Finding the Fourth Proportional to 90,721,499,157.04, 125,195,681,094.84 and 50,076,418,303.76

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Solution

The fourth proportional to 90,721,499,157.04, 125,195,681,094.84 and 50,076,418,303.76 is: 69,105,464,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,721,499,157.04 : 125,195,681,094.84 = 50,076,418,303.76 : x
  2. Step 2: Convert to fraction form
    90,721,499,157.04/125,195,681,094.84 = 50,076,418,303.76/x
  3. Step 3: Cross multiply
    90,721,499,157.04x = 125,195,681,094.84 × 50,076,418,303.76
  4. Step 4: Simplify right side
    90,721,499,157.04x = 6,269,351,296,328,718,614,528
  5. Step 5: Solve for x
    x = 6,269,351,296,328,718,614,528/90,721,499,157.04
  6. Step 6: Final answer
    x = 69,105,464,025.42

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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.