Home / 82,406,192.45-113,726,293.45-54,480,383.98

Finding the Fourth Proportional to 82,406,192.45, 113,726,293.45 and 54,480,383.98

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Solution

The fourth proportional to 82,406,192.45, 113,726,293.45 and 54,480,383.98 is: 75,186,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,406,192.45 : 113,726,293.45 = 54,480,383.98 : x
  2. Step 2: Convert to fraction form
    82,406,192.45/113,726,293.45 = 54,480,383.98/x
  3. Step 3: Cross multiply
    82,406,192.45x = 113,726,293.45 × 54,480,383.98
  4. Step 4: Simplify right side
    82,406,192.45x = 6,195,852,135,357,642
  5. Step 5: Solve for x
    x = 6,195,852,135,357,642/82,406,192.45
  6. Step 6: Final answer
    x = 75,186,729.92

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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.