Home / 91,380,384.74-126,103,755.21-52,221,712.34

Finding the Fourth Proportional to 91,380,384.74, 126,103,755.21 and 52,221,712.34

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Solution

The fourth proportional to 91,380,384.74, 126,103,755.21 and 52,221,712.34 is: 72,065,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,380,384.74 : 126,103,755.21 = 52,221,712.34 : x
  2. Step 2: Convert to fraction form
    91,380,384.74/126,103,755.21 = 52,221,712.34/x
  3. Step 3: Cross multiply
    91,380,384.74x = 126,103,755.21 × 52,221,712.34
  4. Step 4: Simplify right side
    91,380,384.74x = 6,585,354,029,570,396
  5. Step 5: Solve for x
    x = 6,585,354,029,570,396/91,380,384.74
  6. Step 6: Final answer
    x = 72,065,291.13

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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.