Home / 54,044,820.72-74,587,177.08-30,843,439.92

Finding the Fourth Proportional to 54,044,820.72, 74,587,177.08 and 30,843,439.92

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Solution

The fourth proportional to 54,044,820.72, 74,587,177.08 and 30,843,439.92 is: 42,566,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,044,820.72 : 74,587,177.08 = 30,843,439.92 : x
  2. Step 2: Convert to fraction form
    54,044,820.72/74,587,177.08 = 30,843,439.92/x
  3. Step 3: Cross multiply
    54,044,820.72x = 74,587,177.08 × 30,843,439.92
  4. Step 4: Simplify right side
    54,044,820.72x = 2,300,525,115,069,381
  5. Step 5: Solve for x
    x = 2,300,525,115,069,381/54,044,820.72
  6. Step 6: Final answer
    x = 42,566,985.78

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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.