Home / 157,432,218.40-236,192,564.40-76,655,821.60

Finding the Fourth Proportional to 157,432,218.40, 236,192,564.40 and 76,655,821.60

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Solution

The fourth proportional to 157,432,218.40, 236,192,564.40 and 76,655,821.60 is: 115,005,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,432,218.40 : 236,192,564.40 = 76,655,821.60 : x
  2. Step 2: Convert to fraction form
    157,432,218.40/236,192,564.40 = 76,655,821.60/x
  3. Step 3: Cross multiply
    157,432,218.40x = 236,192,564.40 × 76,655,821.60
  4. Step 4: Simplify right side
    157,432,218.40x = 18,105,535,079,892,912
  5. Step 5: Solve for x
    x = 18,105,535,079,892,912/157,432,218.40
  6. Step 6: Final answer
    x = 115,005,271.88

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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.