Home / 85,176,078.40-127,764,117.60-46,822,772.80

Finding the Fourth Proportional to 85,176,078.40, 127,764,117.60 and 46,822,772.80

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Solution

The fourth proportional to 85,176,078.40, 127,764,117.60 and 46,822,772.80 is: 70,234,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,176,078.40 : 127,764,117.60 = 46,822,772.80 : x
  2. Step 2: Convert to fraction form
    85,176,078.40/127,764,117.60 = 46,822,772.80/x
  3. Step 3: Cross multiply
    85,176,078.40x = 127,764,117.60 × 46,822,772.80
  4. Step 4: Simplify right side
    85,176,078.40x = 5,982,270,250,377,281
  5. Step 5: Solve for x
    x = 5,982,270,250,377,281/85,176,078.40
  6. Step 6: Final answer
    x = 70,234,159.20

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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.