Home / 125,303,217.21-172,915,833.89-69,545,366.52

Finding the Fourth Proportional to 125,303,217.21, 172,915,833.89 and 69,545,366.52

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Solution

The fourth proportional to 125,303,217.21, 172,915,833.89 and 69,545,366.52 is: 95,971,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303,217.21 : 172,915,833.89 = 69,545,366.52 : x
  2. Step 2: Convert to fraction form
    125,303,217.21/172,915,833.89 = 69,545,366.52/x
  3. Step 3: Cross multiply
    125,303,217.21x = 172,915,833.89 × 69,545,366.52
  4. Step 4: Simplify right side
    125,303,217.21x = 12,025,495,044,643,760
  5. Step 5: Solve for x
    x = 12,025,495,044,643,760/125,303,217.21
  6. Step 6: Final answer
    x = 95,971,159.50

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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.