Home / 112,335,887.70-168,503,831.55-51,869,711.70

Finding the Fourth Proportional to 112,335,887.70, 168,503,831.55 and 51,869,711.70

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Solution

The fourth proportional to 112,335,887.70, 168,503,831.55 and 51,869,711.70 is: 77,804,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335,887.70 : 168,503,831.55 = 51,869,711.70 : x
  2. Step 2: Convert to fraction form
    112,335,887.70/168,503,831.55 = 51,869,711.70/x
  3. Step 3: Cross multiply
    112,335,887.70x = 168,503,831.55 × 51,869,711.70
  4. Step 4: Simplify right side
    112,335,887.70x = 8,740,245,162,843,865
  5. Step 5: Solve for x
    x = 8,740,245,162,843,865/112,335,887.70
  6. Step 6: Final answer
    x = 77,804,567.55

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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.