Home / 61,638,837.20-92,456,013.21-18,506,919.79

Finding the Fourth Proportional to 61,638,837.20, 92,456,013.21 and 18,506,919.79

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Solution

The fourth proportional to 61,638,837.20, 92,456,013.21 and 18,506,919.79 is: 27,759,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,638,837.20 : 92,456,013.21 = 18,506,919.79 : x
  2. Step 2: Convert to fraction form
    61,638,837.20/92,456,013.21 = 18,506,919.79/x
  3. Step 3: Cross multiply
    61,638,837.20x = 92,456,013.21 × 18,506,919.79
  4. Step 4: Simplify right side
    61,638,837.20x = 1,711,076,020,730,921.25
  5. Step 5: Solve for x
    x = 1,711,076,020,730,921.25/61,638,837.20
  6. Step 6: Final answer
    x = 27,759,706.36

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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.