Home / 187,029,001.80-280,543,502.70-77,817,876.30

Finding the Fourth Proportional to 187,029,001.80, 280,543,502.70 and 77,817,876.30

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Solution

The fourth proportional to 187,029,001.80, 280,543,502.70 and 77,817,876.30 is: 116,726,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029,001.80 : 280,543,502.70 = 77,817,876.30 : x
  2. Step 2: Convert to fraction form
    187,029,001.80/280,543,502.70 = 77,817,876.30/x
  3. Step 3: Cross multiply
    187,029,001.80x = 280,543,502.70 × 77,817,876.30
  4. Step 4: Simplify right side
    187,029,001.80x = 21,831,299,589,877,316
  5. Step 5: Solve for x
    x = 21,831,299,589,877,316/187,029,001.80
  6. Step 6: Final answer
    x = 116,726,814.45

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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.