Home / 167,553,007.20-251,329,510.80-81,459,565.20

Finding the Fourth Proportional to 167,553,007.20, 251,329,510.80 and 81,459,565.20

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Solution

The fourth proportional to 167,553,007.20, 251,329,510.80 and 81,459,565.20 is: 122,189,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,553,007.20 : 251,329,510.80 = 81,459,565.20 : x
  2. Step 2: Convert to fraction form
    167,553,007.20/251,329,510.80 = 81,459,565.20/x
  3. Step 3: Cross multiply
    167,553,007.20x = 251,329,510.80 × 81,459,565.20
  4. Step 4: Simplify right side
    167,553,007.20x = 20,473,192,671,696,704
  5. Step 5: Solve for x
    x = 20,473,192,671,696,704/167,553,007.20
  6. Step 6: Final answer
    x = 122,189,347.80

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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.