Home / 61,627,140.92-92,456,062.56-18,497,142.20

Finding the Fourth Proportional to 61,627,140.92, 92,456,062.56 and 18,497,142.20

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Solution

The fourth proportional to 61,627,140.92, 92,456,062.56 and 18,497,142.20 is: 27,750,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,627,140.92 : 92,456,062.56 = 18,497,142.20 : x
  2. Step 2: Convert to fraction form
    61,627,140.92/92,456,062.56 = 18,497,142.20/x
  3. Step 3: Cross multiply
    61,627,140.92x = 92,456,062.56 × 18,497,142.20
  4. Step 4: Simplify right side
    61,627,140.92x = 1,710,172,936,424,416
  5. Step 5: Solve for x
    x = 1,710,172,936,424,416/61,627,140.92
  6. Step 6: Final answer
    x = 27,750,320.90

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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.