Home / 129,688,225.67-194,532,098.64-42,249,638.27

Finding the Fourth Proportional to 129,688,225.67, 194,532,098.64 and 42,249,638.27

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Solution

The fourth proportional to 129,688,225.67, 194,532,098.64 and 42,249,638.27 is: 63,374,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,688,225.67 : 194,532,098.64 = 42,249,638.27 : x
  2. Step 2: Convert to fraction form
    129,688,225.67/194,532,098.64 = 42,249,638.27/x
  3. Step 3: Cross multiply
    129,688,225.67x = 194,532,098.64 × 42,249,638.27
  4. Step 4: Simplify right side
    129,688,225.67x = 8,218,910,798,471,298
  5. Step 5: Solve for x
    x = 8,218,910,798,471,298/129,688,225.67
  6. Step 6: Final answer
    x = 63,374,379.26

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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.