Home / 84,564,672.30-126,847,008.45-52,111,341.90

Finding the Fourth Proportional to 84,564,672.30, 126,847,008.45 and 52,111,341.90

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Solution

The fourth proportional to 84,564,672.30, 126,847,008.45 and 52,111,341.90 is: 78,167,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,672.30 : 126,847,008.45 = 52,111,341.90 : x
  2. Step 2: Convert to fraction form
    84,564,672.30/126,847,008.45 = 52,111,341.90/x
  3. Step 3: Cross multiply
    84,564,672.30x = 126,847,008.45 × 52,111,341.90
  4. Step 4: Simplify right side
    84,564,672.30x = 6,610,167,826,330,139
  5. Step 5: Solve for x
    x = 6,610,167,826,330,139/84,564,672.30
  6. Step 6: Final answer
    x = 78,167,012.85

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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.