Home / 71,751,921.18-99,017,624.76-39,156,873.18

Finding the Fourth Proportional to 71,751,921.18, 99,017,624.76 and 39,156,873.18

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Solution

The fourth proportional to 71,751,921.18, 99,017,624.76 and 39,156,873.18 is: 54,036,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,751,921.18 : 99,017,624.76 = 39,156,873.18 : x
  2. Step 2: Convert to fraction form
    71,751,921.18/99,017,624.76 = 39,156,873.18/x
  3. Step 3: Cross multiply
    71,751,921.18x = 99,017,624.76 × 39,156,873.18
  4. Step 4: Simplify right side
    71,751,921.18x = 3,877,220,575,312,148
  5. Step 5: Solve for x
    x = 3,877,220,575,312,148/71,751,921.18
  6. Step 6: Final answer
    x = 54,036,470.54

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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.