Home / 71,041,653.76-98,037,481.02-38,446,605.76

Finding the Fourth Proportional to 71,041,653.76, 98,037,481.02 and 38,446,605.76

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Solution

The fourth proportional to 71,041,653.76, 98,037,481.02 and 38,446,605.76 is: 53,056,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,041,653.76 : 98,037,481.02 = 38,446,605.76 : x
  2. Step 2: Convert to fraction form
    71,041,653.76/98,037,481.02 = 38,446,605.76/x
  3. Step 3: Cross multiply
    71,041,653.76x = 98,037,481.02 × 38,446,605.76
  4. Step 4: Simplify right side
    71,041,653.76x = 3,769,208,382,479,422.50
  5. Step 5: Solve for x
    x = 3,769,208,382,479,422.50/71,041,653.76
  6. Step 6: Final answer
    x = 53,056,315.32

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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.