Home / 107,599,359.38-148,532,932.98-72,337,615.01

Finding the Fourth Proportional to 107,599,359.38, 148,532,932.98 and 72,337,615.01

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Solution

The fourth proportional to 107,599,359.38, 148,532,932.98 and 72,337,615.01 is: 99,856,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,599,359.38 : 148,532,932.98 = 72,337,615.01 : x
  2. Step 2: Convert to fraction form
    107,599,359.38/148,532,932.98 = 72,337,615.01/x
  3. Step 3: Cross multiply
    107,599,359.38x = 148,532,932.98 × 72,337,615.01
  4. Step 4: Simplify right side
    107,599,359.38x = 10,744,518,121,470,706
  5. Step 5: Solve for x
    x = 10,744,518,121,470,706/107,599,359.38
  6. Step 6: Final answer
    x = 99,856,710.89

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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.