Home / 187,029,156.30-280,543,734.45-77,818,030.80

Finding the Fourth Proportional to 187,029,156.30, 280,543,734.45 and 77,818,030.80

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Solution

The fourth proportional to 187,029,156.30, 280,543,734.45 and 77,818,030.80 is: 116,727,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029,156.30 : 280,543,734.45 = 77,818,030.80 : x
  2. Step 2: Convert to fraction form
    187,029,156.30/280,543,734.45 = 77,818,030.80/x
  3. Step 3: Cross multiply
    187,029,156.30x = 280,543,734.45 × 77,818,030.80
  4. Step 4: Simplify right side
    187,029,156.30x = 21,831,360,968,177,120
  5. Step 5: Solve for x
    x = 21,831,360,968,177,120/187,029,156.30
  6. Step 6: Final answer
    x = 116,727,046.20

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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.