Home / 288,137,173.32-432,141,073.47-132,541,545.24

Finding the Fourth Proportional to 288,137,173.32, 432,141,073.47 and 132,541,545.24

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Solution

The fourth proportional to 288,137,173.32, 432,141,073.47 and 132,541,545.24 is: 198,782,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,137,173.32 : 432,141,073.47 = 132,541,545.24 : x
  2. Step 2: Convert to fraction form
    288,137,173.32/432,141,073.47 = 132,541,545.24/x
  3. Step 3: Cross multiply
    288,137,173.32x = 432,141,073.47 × 132,541,545.24
  4. Step 4: Simplify right side
    288,137,173.32x = 57,276,645,639,386,168
  5. Step 5: Solve for x
    x = 57,276,645,639,386,168/288,137,173.32
  6. Step 6: Final answer
    x = 198,782,562.41

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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.