Home / 84,229,315.74-126,343,973.61-30,376,627.74

Finding the Fourth Proportional to 84,229,315.74, 126,343,973.61 and 30,376,627.74

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Solution

The fourth proportional to 84,229,315.74, 126,343,973.61 and 30,376,627.74 is: 45,564,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,229,315.74 : 126,343,973.61 = 30,376,627.74 : x
  2. Step 2: Convert to fraction form
    84,229,315.74/126,343,973.61 = 30,376,627.74/x
  3. Step 3: Cross multiply
    84,229,315.74x = 126,343,973.61 × 30,376,627.74
  4. Step 4: Simplify right side
    84,229,315.74x = 3,837,903,853,543,353.50
  5. Step 5: Solve for x
    x = 3,837,903,853,543,353.50/84,229,315.74
  6. Step 6: Final answer
    x = 45,564,941.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.