Home / 145,220,803.20-217,831,204.80-127,304,899.20

Finding the Fourth Proportional to 145,220,803.20, 217,831,204.80 and 127,304,899.20

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Solution

The fourth proportional to 145,220,803.20, 217,831,204.80 and 127,304,899.20 is: 190,957,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,803.20 : 217,831,204.80 = 127,304,899.20 : x
  2. Step 2: Convert to fraction form
    145,220,803.20/217,831,204.80 = 127,304,899.20/x
  3. Step 3: Cross multiply
    145,220,803.20x = 217,831,204.80 × 127,304,899.20
  4. Step 4: Simplify right side
    145,220,803.20x = 27,730,979,569,678,560
  5. Step 5: Solve for x
    x = 27,730,979,569,678,560/145,220,803.20
  6. Step 6: Final answer
    x = 190,957,348.80

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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.