Home / 55,207,314.45-76,182,985.01-30,427,426.22

Finding the Fourth Proportional to 55,207,314.45, 76,182,985.01 and 30,427,426.22

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Solution

The fourth proportional to 55,207,314.45, 76,182,985.01 and 30,427,426.22 is: 41,988,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207,314.45 : 76,182,985.01 = 30,427,426.22 : x
  2. Step 2: Convert to fraction form
    55,207,314.45/76,182,985.01 = 30,427,426.22/x
  3. Step 3: Cross multiply
    55,207,314.45x = 76,182,985.01 × 30,427,426.22
  4. Step 4: Simplify right side
    55,207,314.45x = 2,318,052,155,306,294.50
  5. Step 5: Solve for x
    x = 2,318,052,155,306,294.50/55,207,314.45
  6. Step 6: Final answer
    x = 41,988,134.70

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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.