Home / 83,037,695.40-124,556,543.10-81,602,804.70

Finding the Fourth Proportional to 83,037,695.40, 124,556,543.10 and 81,602,804.70

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Solution

The fourth proportional to 83,037,695.40, 124,556,543.10 and 81,602,804.70 is: 122,404,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,037,695.40 : 124,556,543.10 = 81,602,804.70 : x
  2. Step 2: Convert to fraction form
    83,037,695.40/124,556,543.10 = 81,602,804.70/x
  3. Step 3: Cross multiply
    83,037,695.40x = 124,556,543.10 × 81,602,804.70
  4. Step 4: Simplify right side
    83,037,695.40x = 10,164,163,260,696,432
  5. Step 5: Solve for x
    x = 10,164,163,260,696,432/83,037,695.40
  6. Step 6: Final answer
    x = 122,404,207.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.