Home / 82,170,612.32-113,394,050.80-45,500,396

Finding the Fourth Proportional to 82,170,612.32, 113,394,050.80 and 45,500,396

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Solution

The fourth proportional to 82,170,612.32, 113,394,050.80 and 45,500,396 is: 62,789,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170,612.32 : 113,394,050.80 = 45,500,396 : x
  2. Step 2: Convert to fraction form
    82,170,612.32/113,394,050.80 = 45,500,396/x
  3. Step 3: Cross multiply
    82,170,612.32x = 113,394,050.80 × 45,500,396
  4. Step 4: Simplify right side
    82,170,612.32x = 5,159,474,215,444,117
  5. Step 5: Solve for x
    x = 5,159,474,215,444,117/82,170,612.32
  6. Step 6: Final answer
    x = 62,789,774.47

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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.