Home / 85,151,147.16-127,807,471.32-52,704,902.64

Finding the Fourth Proportional to 85,151,147.16, 127,807,471.32 and 52,704,902.64

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Solution

The fourth proportional to 85,151,147.16, 127,807,471.32 and 52,704,902.64 is: 79,107,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,151,147.16 : 127,807,471.32 = 52,704,902.64 : x
  2. Step 2: Convert to fraction form
    85,151,147.16/127,807,471.32 = 52,704,902.64/x
  3. Step 3: Cross multiply
    85,151,147.16x = 127,807,471.32 × 52,704,902.64
  4. Step 4: Simplify right side
    85,151,147.16x = 6,736,080,332,585,192
  5. Step 5: Solve for x
    x = 6,736,080,332,585,192/85,151,147.16
  6. Step 6: Final answer
    x = 79,107,335.10

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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.