Home / 129,688,226.67-194,532,100.14-42,249,639.27

Finding the Fourth Proportional to 129,688,226.67, 194,532,100.14 and 42,249,639.27

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Solution

The fourth proportional to 129,688,226.67, 194,532,100.14 and 42,249,639.27 is: 63,374,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,688,226.67 : 194,532,100.14 = 42,249,639.27 : x
  2. Step 2: Convert to fraction form
    129,688,226.67/194,532,100.14 = 42,249,639.27/x
  3. Step 3: Cross multiply
    129,688,226.67x = 194,532,100.14 × 42,249,639.27
  4. Step 4: Simplify right side
    129,688,226.67x = 8,218,911,057,350,517
  5. Step 5: Solve for x
    x = 8,218,911,057,350,517/129,688,226.67
  6. Step 6: Final answer
    x = 63,374,380.76

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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.