Home / 61,238,862.70-91,732,322.85-42,091,240.30

Finding the Fourth Proportional to 61,238,862.70, 91,732,322.85 and 42,091,240.30

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Solution

The fourth proportional to 61,238,862.70, 91,732,322.85 and 42,091,240.30 is: 63,050,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,862.70 : 91,732,322.85 = 42,091,240.30 : x
  2. Step 2: Convert to fraction form
    61,238,862.70/91,732,322.85 = 42,091,240.30/x
  3. Step 3: Cross multiply
    61,238,862.70x = 91,732,322.85 × 42,091,240.30
  4. Step 4: Simplify right side
    61,238,862.70x = 3,861,127,244,356,530.50
  5. Step 5: Solve for x
    x = 3,861,127,244,356,530.50/61,238,862.70
  6. Step 6: Final answer
    x = 63,050,276.80

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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.