Home / 66,109,363.60-99,164,045.40-50,803,862.80

Finding the Fourth Proportional to 66,109,363.60, 99,164,045.40 and 50,803,862.80

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Solution

The fourth proportional to 66,109,363.60, 99,164,045.40 and 50,803,862.80 is: 76,205,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,109,363.60 : 99,164,045.40 = 50,803,862.80 : x
  2. Step 2: Convert to fraction form
    66,109,363.60/99,164,045.40 = 50,803,862.80/x
  3. Step 3: Cross multiply
    66,109,363.60x = 99,164,045.40 × 50,803,862.80
  4. Step 4: Simplify right side
    66,109,363.60x = 5,037,916,557,194,571
  5. Step 5: Solve for x
    x = 5,037,916,557,194,571/66,109,363.60
  6. Step 6: Final answer
    x = 76,205,794.20

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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.