Home / 102,041,403.08-140,730,503.10-86,223,979.04

Finding the Fourth Proportional to 102,041,403.08, 140,730,503.10 and 86,223,979.04

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Solution

The fourth proportional to 102,041,403.08, 140,730,503.10 and 86,223,979.04 is: 118,915,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,041,403.08 : 140,730,503.10 = 86,223,979.04 : x
  2. Step 2: Convert to fraction form
    102,041,403.08/140,730,503.10 = 86,223,979.04/x
  3. Step 3: Cross multiply
    102,041,403.08x = 140,730,503.10 × 86,223,979.04
  4. Step 4: Simplify right side
    102,041,403.08x = 12,134,343,949,583,056
  5. Step 5: Solve for x
    x = 12,134,343,949,583,056/102,041,403.08
  6. Step 6: Final answer
    x = 118,915,886.92

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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.