Home / 145,153,296.90-217,729,945.35-54,265,076.10

Finding the Fourth Proportional to 145,153,296.90, 217,729,945.35 and 54,265,076.10

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Solution

The fourth proportional to 145,153,296.90, 217,729,945.35 and 54,265,076.10 is: 81,397,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,153,296.90 : 217,729,945.35 = 54,265,076.10 : x
  2. Step 2: Convert to fraction form
    145,153,296.90/217,729,945.35 = 54,265,076.10/x
  3. Step 3: Cross multiply
    145,153,296.90x = 217,729,945.35 × 54,265,076.10
  4. Step 4: Simplify right side
    145,153,296.90x = 11,815,132,053,666,592
  5. Step 5: Solve for x
    x = 11,815,132,053,666,592/145,153,296.90
  6. Step 6: Final answer
    x = 81,397,614.15

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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.