Home / 49,841,429.60-74,709,000.30-19,124,139.80

Finding the Fourth Proportional to 49,841,429.60, 74,709,000.30 and 19,124,139.80

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Solution

The fourth proportional to 49,841,429.60, 74,709,000.30 and 19,124,139.80 is: 28,665,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,841,429.60 : 74,709,000.30 = 19,124,139.80 : x
  2. Step 2: Convert to fraction form
    49,841,429.60/74,709,000.30 = 19,124,139.80/x
  3. Step 3: Cross multiply
    49,841,429.60x = 74,709,000.30 × 19,124,139.80
  4. Step 4: Simplify right side
    49,841,429.60x = 1,428,745,366,055,442
  5. Step 5: Solve for x
    x = 1,428,745,366,055,442/49,841,429.60
  6. Step 6: Final answer
    x = 28,665,818.33

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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.