Home / 131,476,701.12-181,441,692-71,941,571.52

Finding the Fourth Proportional to 131,476,701.12, 181,441,692 and 71,941,571.52

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Solution

The fourth proportional to 131,476,701.12, 181,441,692 and 71,941,571.52 is: 99,281,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,476,701.12 : 181,441,692 = 71,941,571.52 : x
  2. Step 2: Convert to fraction form
    131,476,701.12/181,441,692 = 71,941,571.52/x
  3. Step 3: Cross multiply
    131,476,701.12x = 181,441,692 × 71,941,571.52
  4. Step 4: Simplify right side
    131,476,701.12x = 13,053,200,461,727,812
  5. Step 5: Solve for x
    x = 13,053,200,461,727,812/131,476,701.12
  6. Step 6: Final answer
    x = 99,281,472.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.