Home / 69,708,106.53-96,196,656.12-38,345,481.90

Finding the Fourth Proportional to 69,708,106.53, 96,196,656.12 and 38,345,481.90

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Solution

The fourth proportional to 69,708,106.53, 96,196,656.12 and 38,345,481.90 is: 52,916,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708,106.53 : 96,196,656.12 = 38,345,481.90 : x
  2. Step 2: Convert to fraction form
    69,708,106.53/96,196,656.12 = 38,345,481.90/x
  3. Step 3: Cross multiply
    69,708,106.53x = 96,196,656.12 × 38,345,481.90
  4. Step 4: Simplify right side
    69,708,106.53x = 3,688,707,135,417,273.50
  5. Step 5: Solve for x
    x = 3,688,707,135,417,273.50/69,708,106.53
  6. Step 6: Final answer
    x = 52,916,472.98

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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.