Home / 85,185,000.40-127,746,007.80-27,679,147.60

Finding the Fourth Proportional to 85,185,000.40, 127,746,007.80 and 27,679,147.60

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Solution

The fourth proportional to 85,185,000.40, 127,746,007.80 and 27,679,147.60 is: 41,508,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,185,000.40 : 127,746,007.80 = 27,679,147.60 : x
  2. Step 2: Convert to fraction form
    85,185,000.40/127,746,007.80 = 27,679,147.60/x
  3. Step 3: Cross multiply
    85,185,000.40x = 127,746,007.80 × 27,679,147.60
  4. Step 4: Simplify right side
    85,185,000.40x = 3,535,900,605,206,951.50
  5. Step 5: Solve for x
    x = 3,535,900,605,206,951.50/85,185,000.40
  6. Step 6: Final answer
    x = 41,508,488.45

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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.