Home / 69,676,429.12-96,153,845.76-38,316,500

Finding the Fourth Proportional to 69,676,429.12, 96,153,845.76 and 38,316,500

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Solution

The fourth proportional to 69,676,429.12, 96,153,845.76 and 38,316,500 is: 52,876,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,676,429.12 : 96,153,845.76 = 38,316,500 : x
  2. Step 2: Convert to fraction form
    69,676,429.12/96,153,845.76 = 38,316,500/x
  3. Step 3: Cross multiply
    69,676,429.12x = 96,153,845.76 × 38,316,500
  4. Step 4: Simplify right side
    69,676,429.12x = 3,684,278,831,063,040
  5. Step 5: Solve for x
    x = 3,684,278,831,063,040/69,676,429.12
  6. Step 6: Final answer
    x = 52,876,975.44

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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.