Home / 131,319,303.46-181,221,351.24-71,780,679.58

Finding the Fourth Proportional to 131,319,303.46, 181,221,351.24 and 71,780,679.58

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Solution

The fourth proportional to 131,319,303.46, 181,221,351.24 and 71,780,679.58 is: 99,057,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,319,303.46 : 181,221,351.24 = 71,780,679.58 : x
  2. Step 2: Convert to fraction form
    131,319,303.46/181,221,351.24 = 71,780,679.58/x
  3. Step 3: Cross multiply
    131,319,303.46x = 181,221,351.24 × 71,780,679.58
  4. Step 4: Simplify right side
    131,319,303.46x = 13,008,191,746,413,076
  5. Step 5: Solve for x
    x = 13,008,191,746,413,076/131,319,303.46
  6. Step 6: Final answer
    x = 99,057,727.26

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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.