Home / 91,071,262.14-125,679,338.92-49,818,154.92

Finding the Fourth Proportional to 91,071,262.14, 125,679,338.92 and 49,818,154.92

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Solution

The fourth proportional to 91,071,262.14, 125,679,338.92 and 49,818,154.92 is: 68,749,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071,262.14 : 125,679,338.92 = 49,818,154.92 : x
  2. Step 2: Convert to fraction form
    91,071,262.14/125,679,338.92 = 49,818,154.92/x
  3. Step 3: Cross multiply
    91,071,262.14x = 125,679,338.92 × 49,818,154.92
  4. Step 4: Simplify right side
    91,071,262.14x = 6,261,112,776,559,746
  5. Step 5: Solve for x
    x = 6,261,112,776,559,746/91,071,262.14
  6. Step 6: Final answer
    x = 68,749,599.26

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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.