Home / 61,644,486.87-85,037,139.18-38,115,502.11

Finding the Fourth Proportional to 61,644,486.87, 85,037,139.18 and 38,115,502.11

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Solution

The fourth proportional to 61,644,486.87, 85,037,139.18 and 38,115,502.11 is: 52,579,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,644,486.87 : 85,037,139.18 = 38,115,502.11 : x
  2. Step 2: Convert to fraction form
    61,644,486.87/85,037,139.18 = 38,115,502.11/x
  3. Step 3: Cross multiply
    61,644,486.87x = 85,037,139.18 × 38,115,502.11
  4. Step 4: Simplify right side
    61,644,486.87x = 3,241,233,257,843,654
  5. Step 5: Solve for x
    x = 3,241,233,257,843,654/61,644,486.87
  6. Step 6: Final answer
    x = 52,579,450.69

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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.