Home / 74,748,696.30-112,002,322.05-42,304,113.90

Finding the Fourth Proportional to 74,748,696.30, 112,002,322.05 and 42,304,113.90

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Solution

The fourth proportional to 74,748,696.30, 112,002,322.05 and 42,304,113.90 is: 63,387,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748,696.30 : 112,002,322.05 = 42,304,113.90 : x
  2. Step 2: Convert to fraction form
    74,748,696.30/112,002,322.05 = 42,304,113.90/x
  3. Step 3: Cross multiply
    74,748,696.30x = 112,002,322.05 × 42,304,113.90
  4. Step 4: Simplify right side
    74,748,696.30x = 4,738,158,989,067,681
  5. Step 5: Solve for x
    x = 4,738,158,989,067,681/74,748,696.30
  6. Step 6: Final answer
    x = 63,387,847.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.