Home / 82,521,143.12-113,881,907.81-45,352,740.87

Finding the Fourth Proportional to 82,521,143.12, 113,881,907.81 and 45,352,740.87

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Solution

The fourth proportional to 82,521,143.12, 113,881,907.81 and 45,352,740.87 is: 62,588,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,521,143.12 : 113,881,907.81 = 45,352,740.87 : x
  2. Step 2: Convert to fraction form
    82,521,143.12/113,881,907.81 = 45,352,740.87/x
  3. Step 3: Cross multiply
    82,521,143.12x = 113,881,907.81 × 45,352,740.87
  4. Step 4: Simplify right side
    82,521,143.12x = 5,164,856,654,801,541
  5. Step 5: Solve for x
    x = 5,164,856,654,801,541/82,521,143.12
  6. Step 6: Final answer
    x = 62,588,282.95

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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.