Home / 157,432,217.40-236,192,562.90-76,655,820.60

Finding the Fourth Proportional to 157,432,217.40, 236,192,562.90 and 76,655,820.60

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Solution

The fourth proportional to 157,432,217.40, 236,192,562.90 and 76,655,820.60 is: 115,005,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,432,217.40 : 236,192,562.90 = 76,655,820.60 : x
  2. Step 2: Convert to fraction form
    157,432,217.40/236,192,562.90 = 76,655,820.60/x
  3. Step 3: Cross multiply
    157,432,217.40x = 236,192,562.90 × 76,655,820.60
  4. Step 4: Simplify right side
    157,432,217.40x = 18,105,534,728,716,616
  5. Step 5: Solve for x
    x = 18,105,534,728,716,616/157,432,217.40
  6. Step 6: Final answer
    x = 115,005,270.38

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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.