Home / 66,432,055.20-99,648,082.80-49,425,943.20

Finding the Fourth Proportional to 66,432,055.20, 99,648,082.80 and 49,425,943.20

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Solution

The fourth proportional to 66,432,055.20, 99,648,082.80 and 49,425,943.20 is: 74,138,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,055.20 : 99,648,082.80 = 49,425,943.20 : x
  2. Step 2: Convert to fraction form
    66,432,055.20/99,648,082.80 = 49,425,943.20/x
  3. Step 3: Cross multiply
    66,432,055.20x = 99,648,082.80 × 49,425,943.20
  4. Step 4: Simplify right side
    66,432,055.20x = 4,925,200,480,461,697
  5. Step 5: Solve for x
    x = 4,925,200,480,461,697/66,432,055.20
  6. Step 6: Final answer
    x = 74,138,914.80

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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.