Home / 99,660,221.40-137,543,526.70-57,835,306.22

Finding the Fourth Proportional to 99,660,221.40, 137,543,526.70 and 57,835,306.22

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Solution

The fourth proportional to 99,660,221.40, 137,543,526.70 and 57,835,306.22 is: 79,819,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,221.40 : 137,543,526.70 = 57,835,306.22 : x
  2. Step 2: Convert to fraction form
    99,660,221.40/137,543,526.70 = 57,835,306.22/x
  3. Step 3: Cross multiply
    99,660,221.40x = 137,543,526.70 × 57,835,306.22
  4. Step 4: Simplify right side
    99,660,221.40x = 7,954,871,985,273,245
  5. Step 5: Solve for x
    x = 7,954,871,985,273,245/99,660,221.40
  6. Step 6: Final answer
    x = 79,819,930.90

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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.