Home / 152,905,866.40-211,003,288.82-89,332,098.13

Finding the Fourth Proportional to 152,905,866.40, 211,003,288.82 and 89,332,098.13

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Solution

The fourth proportional to 152,905,866.40, 211,003,288.82 and 89,332,098.13 is: 123,274,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,905,866.40 : 211,003,288.82 = 89,332,098.13 : x
  2. Step 2: Convert to fraction form
    152,905,866.40/211,003,288.82 = 89,332,098.13/x
  3. Step 3: Cross multiply
    152,905,866.40x = 211,003,288.82 × 89,332,098.13
  4. Step 4: Simplify right side
    152,905,866.40x = 18,849,366,501,565,956
  5. Step 5: Solve for x
    x = 18,849,366,501,565,956/152,905,866.40
  6. Step 6: Final answer
    x = 123,274,318.68

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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.