Home / 124,547,853.11-171,876,030.74-67,261,540.96

Finding the Fourth Proportional to 124,547,853.11, 171,876,030.74 and 67,261,540.96

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Solution

The fourth proportional to 124,547,853.11, 171,876,030.74 and 67,261,540.96 is: 92,820,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,547,853.11 : 171,876,030.74 = 67,261,540.96 : x
  2. Step 2: Convert to fraction form
    124,547,853.11/171,876,030.74 = 67,261,540.96/x
  3. Step 3: Cross multiply
    124,547,853.11x = 171,876,030.74 × 67,261,540.96
  4. Step 4: Simplify right side
    124,547,853.11x = 11,560,646,680,465,042
  5. Step 5: Solve for x
    x = 11,560,646,680,465,042/124,547,853.11
  6. Step 6: Final answer
    x = 92,820,922.98

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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.