Home / 102,545,402.48-141,512,644.02-55,502,467.90

Finding the Fourth Proportional to 102,545,402.48, 141,512,644.02 and 55,502,467.90

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Solution

The fourth proportional to 102,545,402.48, 141,512,644.02 and 55,502,467.90 is: 76,593,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545,402.48 : 141,512,644.02 = 55,502,467.90 : x
  2. Step 2: Convert to fraction form
    102,545,402.48/141,512,644.02 = 55,502,467.90/x
  3. Step 3: Cross multiply
    102,545,402.48x = 141,512,644.02 × 55,502,467.90
  4. Step 4: Simplify right side
    102,545,402.48x = 7,854,300,982,164,177
  5. Step 5: Solve for x
    x = 7,854,300,982,164,177/102,545,402.48
  6. Step 6: Final answer
    x = 76,593,399.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.