Home / 145,220,827.20-217,831,240.80-127,304,923.20

Finding the Fourth Proportional to 145,220,827.20, 217,831,240.80 and 127,304,923.20

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Solution

The fourth proportional to 145,220,827.20, 217,831,240.80 and 127,304,923.20 is: 190,957,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,827.20 : 217,831,240.80 = 127,304,923.20 : x
  2. Step 2: Convert to fraction form
    145,220,827.20/217,831,240.80 = 127,304,923.20/x
  3. Step 3: Cross multiply
    145,220,827.20x = 217,831,240.80 × 127,304,923.20
  4. Step 4: Simplify right side
    145,220,827.20x = 27,730,989,380,604,708
  5. Step 5: Solve for x
    x = 27,730,989,380,604,708/145,220,827.20
  6. Step 6: Final answer
    x = 190,957,384.80

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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.