Home / 119,491,631.73-164,854,710.32-72,414,743.68

Finding the Fourth Proportional to 119,491,631.73, 164,854,710.32 and 72,414,743.68

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Solution

The fourth proportional to 119,491,631.73, 164,854,710.32 and 72,414,743.68 is: 99,905,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,491,631.73 : 164,854,710.32 = 72,414,743.68 : x
  2. Step 2: Convert to fraction form
    119,491,631.73/164,854,710.32 = 72,414,743.68/x
  3. Step 3: Cross multiply
    119,491,631.73x = 164,854,710.32 × 72,414,743.68
  4. Step 4: Simplify right side
    119,491,631.73x = 11,937,911,591,439,176
  5. Step 5: Solve for x
    x = 11,937,911,591,439,176/119,491,631.73
  6. Step 6: Final answer
    x = 99,905,837.92

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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.