Home / 89,574,494.34-123,549,126.95-59,790,125.78

Finding the Fourth Proportional to 89,574,494.34, 123,549,126.95 and 59,790,125.78

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Solution

The fourth proportional to 89,574,494.34, 123,549,126.95 and 59,790,125.78 is: 82,467,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574,494.34 : 123,549,126.95 = 59,790,125.78 : x
  2. Step 2: Convert to fraction form
    89,574,494.34/123,549,126.95 = 59,790,125.78/x
  3. Step 3: Cross multiply
    89,574,494.34x = 123,549,126.95 × 59,790,125.78
  4. Step 4: Simplify right side
    89,574,494.34x = 7,387,017,839,432,991
  5. Step 5: Solve for x
    x = 7,387,017,839,432,991/89,574,494.34
  6. Step 6: Final answer
    x = 82,467,870.95

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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.