Home / 84,559,545-116,690,187.40-49,754,489.76

Finding the Fourth Proportional to 84,559,545, 116,690,187.40 and 49,754,489.76

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Solution

The fourth proportional to 84,559,545, 116,690,187.40 and 49,754,489.76 is: 68,660,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559,545 : 116,690,187.40 = 49,754,489.76 : x
  2. Step 2: Convert to fraction form
    84,559,545/116,690,187.40 = 49,754,489.76/x
  3. Step 3: Cross multiply
    84,559,545x = 116,690,187.40 × 49,754,489.76
  4. Step 4: Simplify right side
    84,559,545x = 5,805,860,733,961,394
  5. Step 5: Solve for x
    x = 5,805,860,733,961,394/84,559,545
  6. Step 6: Final answer
    x = 68,660,028.08

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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.