Home / 153,648,052.80-230,472,079.20-127,105,972.80

Finding the Fourth Proportional to 153,648,052.80, 230,472,079.20 and 127,105,972.80

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Solution

The fourth proportional to 153,648,052.80, 230,472,079.20 and 127,105,972.80 is: 190,658,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,648,052.80 : 230,472,079.20 = 127,105,972.80 : x
  2. Step 2: Convert to fraction form
    153,648,052.80/230,472,079.20 = 127,105,972.80/x
  3. Step 3: Cross multiply
    153,648,052.80x = 230,472,079.20 × 127,105,972.80
  4. Step 4: Simplify right side
    153,648,052.80x = 29,294,377,829,954,644
  5. Step 5: Solve for x
    x = 29,294,377,829,954,644/153,648,052.80
  6. Step 6: Final answer
    x = 190,658,959.20

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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.