Home / 52,266,309.12-78,417,437.76-30,718,938.24

Finding the Fourth Proportional to 52,266,309.12, 78,417,437.76 and 30,718,938.24

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Solution

The fourth proportional to 52,266,309.12, 78,417,437.76 and 30,718,938.24 is: 46,088,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,266,309.12 : 78,417,437.76 = 30,718,938.24 : x
  2. Step 2: Convert to fraction form
    52,266,309.12/78,417,437.76 = 30,718,938.24/x
  3. Step 3: Cross multiply
    52,266,309.12x = 78,417,437.76 × 30,718,938.24
  4. Step 4: Simplify right side
    52,266,309.12x = 2,408,900,427,488,484
  5. Step 5: Solve for x
    x = 2,408,900,427,488,484/52,266,309.12
  6. Step 6: Final answer
    x = 46,088,971.42

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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.