Home / 61,709,748.02-85,168,127.31-38,195,826.92

Finding the Fourth Proportional to 61,709,748.02, 85,168,127.31 and 38,195,826.92

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Solution

The fourth proportional to 61,709,748.02, 85,168,127.31 and 38,195,826.92 is: 52,715,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709,748.02 : 85,168,127.31 = 38,195,826.92 : x
  2. Step 2: Convert to fraction form
    61,709,748.02/85,168,127.31 = 38,195,826.92/x
  3. Step 3: Cross multiply
    61,709,748.02x = 85,168,127.31 × 38,195,826.92
  4. Step 4: Simplify right side
    61,709,748.02x = 3,253,067,049,833,285.50
  5. Step 5: Solve for x
    x = 3,253,067,049,833,285.50/61,709,748.02
  6. Step 6: Final answer
    x = 52,715,610.65

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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.