Home / 124,107,336.72-185,707,495.80-73,013,418

Finding the Fourth Proportional to 124,107,336.72, 185,707,495.80 and 73,013,418

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Solution

The fourth proportional to 124,107,336.72, 185,707,495.80 and 73,013,418 is: 109,253,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,107,336.72 : 185,707,495.80 = 73,013,418 : x
  2. Step 2: Convert to fraction form
    124,107,336.72/185,707,495.80 = 73,013,418/x
  3. Step 3: Cross multiply
    124,107,336.72x = 185,707,495.80 × 73,013,418
  4. Step 4: Simplify right side
    124,107,336.72x = 13,559,139,016,578,646
  5. Step 5: Solve for x
    x = 13,559,139,016,578,646/124,107,336.72
  6. Step 6: Final answer
    x = 109,253,323.57

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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.