Home / 71,314,639.90-106,971,959.86-45,917,096.38

Finding the Fourth Proportional to 71,314,639.90, 106,971,959.86 and 45,917,096.38

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Solution

The fourth proportional to 71,314,639.90, 106,971,959.86 and 45,917,096.38 is: 68,875,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,314,639.90 : 106,971,959.86 = 45,917,096.38 : x
  2. Step 2: Convert to fraction form
    71,314,639.90/106,971,959.86 = 45,917,096.38/x
  3. Step 3: Cross multiply
    71,314,639.90x = 106,971,959.86 × 45,917,096.38
  4. Step 4: Simplify right side
    71,314,639.90x = 4,911,841,790,466,888
  5. Step 5: Solve for x
    x = 4,911,841,790,466,888/71,314,639.90
  6. Step 6: Final answer
    x = 68,875,644.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.