Home / 118,206,890.70-177,310,336.07-72,857,258.70

Finding the Fourth Proportional to 118,206,890.70, 177,310,336.07 and 72,857,258.70

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Solution

The fourth proportional to 118,206,890.70, 177,310,336.07 and 72,857,258.70 is: 109,285,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,890.70 : 177,310,336.07 = 72,857,258.70 : x
  2. Step 2: Convert to fraction form
    118,206,890.70/177,310,336.07 = 72,857,258.70/x
  3. Step 3: Cross multiply
    118,206,890.70x = 177,310,336.07 × 72,857,258.70
  4. Step 4: Simplify right side
    118,206,890.70x = 12,918,345,024,871,646
  5. Step 5: Solve for x
    x = 12,918,345,024,871,646/118,206,890.70
  6. Step 6: Final answer
    x = 109,285,888.06

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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.