Home / 66,066,999.30-99,100,498.95-43,108,748.10

Finding the Fourth Proportional to 66,066,999.30, 99,100,498.95 and 43,108,748.10

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Solution

The fourth proportional to 66,066,999.30, 99,100,498.95 and 43,108,748.10 is: 64,663,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066,999.30 : 99,100,498.95 = 43,108,748.10 : x
  2. Step 2: Convert to fraction form
    66,066,999.30/99,100,498.95 = 43,108,748.10/x
  3. Step 3: Cross multiply
    66,066,999.30x = 99,100,498.95 × 43,108,748.10
  4. Step 4: Simplify right side
    66,066,999.30x = 4,272,098,445,819,865
  5. Step 5: Solve for x
    x = 4,272,098,445,819,865/66,066,999.30
  6. Step 6: Final answer
    x = 64,663,122.15

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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.