Home / 55,427,082.14-76,487,790.84-30,646,841.24

Finding the Fourth Proportional to 55,427,082.14, 76,487,790.84 and 30,646,841.24

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Solution

The fourth proportional to 55,427,082.14, 76,487,790.84 and 30,646,841.24 is: 42,291,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427,082.14 : 76,487,790.84 = 30,646,841.24 : x
  2. Step 2: Convert to fraction form
    55,427,082.14/76,487,790.84 = 30,646,841.24/x
  3. Step 3: Cross multiply
    55,427,082.14x = 76,487,790.84 × 30,646,841.24
  4. Step 4: Simplify right side
    55,427,082.14x = 2,344,109,182,671,806
  5. Step 5: Solve for x
    x = 2,344,109,182,671,806/55,427,082.14
  6. Step 6: Final answer
    x = 42,291,765.91

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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.