Home / 71,280,635.58-98,367,317.46-38,685,587.58

Finding the Fourth Proportional to 71,280,635.58, 98,367,317.46 and 38,685,587.58

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Solution

The fourth proportional to 71,280,635.58, 98,367,317.46 and 38,685,587.58 is: 53,386,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280,635.58 : 98,367,317.46 = 38,685,587.58 : x
  2. Step 2: Convert to fraction form
    71,280,635.58/98,367,317.46 = 38,685,587.58/x
  3. Step 3: Cross multiply
    71,280,635.58x = 98,367,317.46 × 38,685,587.58
  4. Step 4: Simplify right side
    71,280,635.58x = 3,805,397,474,608,492.50
  5. Step 5: Solve for x
    x = 3,805,397,474,608,492.50/71,280,635.58
  6. Step 6: Final answer
    x = 53,386,132.76

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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.