Home / 124,547,857.50-171,876,036.78-67,261,545.34

Finding the Fourth Proportional to 124,547,857.50, 171,876,036.78 and 67,261,545.34

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Solution

The fourth proportional to 124,547,857.50, 171,876,036.78 and 67,261,545.34 is: 92,820,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,547,857.50 : 171,876,036.78 = 67,261,545.34 : x
  2. Step 2: Convert to fraction form
    124,547,857.50/171,876,036.78 = 67,261,545.34/x
  3. Step 3: Cross multiply
    124,547,857.50x = 171,876,036.78 × 67,261,545.34
  4. Step 4: Simplify right side
    124,547,857.50x = 11,560,647,840,737,478
  5. Step 5: Solve for x
    x = 11,560,647,840,737,478/124,547,857.50
  6. Step 6: Final answer
    x = 92,820,929.02

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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.