Home / 70,012,188.61-96,622,162.10-38,656,282.66

Finding the Fourth Proportional to 70,012,188.61, 96,622,162.10 and 38,656,282.66

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Solution

The fourth proportional to 70,012,188.61, 96,622,162.10 and 38,656,282.66 is: 53,348,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012,188.61 : 96,622,162.10 = 38,656,282.66 : x
  2. Step 2: Convert to fraction form
    70,012,188.61/96,622,162.10 = 38,656,282.66/x
  3. Step 3: Cross multiply
    70,012,188.61x = 96,622,162.10 × 38,656,282.66
  4. Step 4: Simplify right side
    70,012,188.61x = 3,735,053,609,067,986
  5. Step 5: Solve for x
    x = 3,735,053,609,067,986/70,012,188.61
  6. Step 6: Final answer
    x = 53,348,619.48

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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.