Home / 102,830,319.08-141,905,824.92-58,778,263.79

Finding the Fourth Proportional to 102,830,319.08, 141,905,824.92 and 58,778,263.79

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Solution

The fourth proportional to 102,830,319.08, 141,905,824.92 and 58,778,263.79 is: 81,113,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,830,319.08 : 141,905,824.92 = 58,778,263.79 : x
  2. Step 2: Convert to fraction form
    102,830,319.08/141,905,824.92 = 58,778,263.79/x
  3. Step 3: Cross multiply
    102,830,319.08x = 141,905,824.92 × 58,778,263.79
  4. Step 4: Simplify right side
    102,830,319.08x = 8,340,978,009,775,785
  5. Step 5: Solve for x
    x = 8,340,978,009,775,785/102,830,319.08
  6. Step 6: Final answer
    x = 81,113,995.22

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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.