Home / 99,639,418.57-137,502,456.23-55,586,417.63

Finding the Fourth Proportional to 99,639,418.57, 137,502,456.23 and 55,586,417.63

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Solution

The fourth proportional to 99,639,418.57, 137,502,456.23 and 55,586,417.63 is: 76,709,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,418.57 : 137,502,456.23 = 55,586,417.63 : x
  2. Step 2: Convert to fraction form
    99,639,418.57/137,502,456.23 = 55,586,417.63/x
  3. Step 3: Cross multiply
    99,639,418.57x = 137,502,456.23 × 55,586,417.63
  4. Step 4: Simplify right side
    99,639,418.57x = 7,643,268,956,603,028
  5. Step 5: Solve for x
    x = 7,643,268,956,603,028/99,639,418.57
  6. Step 6: Final answer
    x = 76,709,289.02

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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.