Home / 125,981,330.50-173,854,238.52-68,034,578.50

Finding the Fourth Proportional to 125,981,330.50, 173,854,238.52 and 68,034,578.50

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Solution

The fourth proportional to 125,981,330.50, 173,854,238.52 and 68,034,578.50 is: 93,887,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,981,330.50 : 173,854,238.52 = 68,034,578.50 : x
  2. Step 2: Convert to fraction form
    125,981,330.50/173,854,238.52 = 68,034,578.50/x
  3. Step 3: Cross multiply
    125,981,330.50x = 173,854,238.52 × 68,034,578.50
  4. Step 4: Simplify right side
    125,981,330.50x = 11,828,099,838,146,664
  5. Step 5: Solve for x
    x = 11,828,099,838,146,664/125,981,330.50
  6. Step 6: Final answer
    x = 93,887,719.64

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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.