Home / 118,016,006.40-177,024,009.60-85,893,350.40

Finding the Fourth Proportional to 118,016,006.40, 177,024,009.60 and 85,893,350.40

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Solution

The fourth proportional to 118,016,006.40, 177,024,009.60 and 85,893,350.40 is: 128,840,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,016,006.40 : 177,024,009.60 = 85,893,350.40 : x
  2. Step 2: Convert to fraction form
    118,016,006.40/177,024,009.60 = 85,893,350.40/x
  3. Step 3: Cross multiply
    118,016,006.40x = 177,024,009.60 × 85,893,350.40
  4. Step 4: Simplify right side
    118,016,006.40x = 15,205,185,285,785,764
  5. Step 5: Solve for x
    x = 15,205,185,285,785,764/118,016,006.40
  6. Step 6: Final answer
    x = 128,840,025.60

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1.5x scale

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.