Home / 47,779,066.46-71,319,794.41-40,999,207.90

Finding the Fourth Proportional to 47,779,066.46, 71,319,794.41 and 40,999,207.90

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Solution

The fourth proportional to 47,779,066.46, 71,319,794.41 and 40,999,207.90 is: 61,199,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779,066.46 : 71,319,794.41 = 40,999,207.90 : x
  2. Step 2: Convert to fraction form
    47,779,066.46/71,319,794.41 = 40,999,207.90/x
  3. Step 3: Cross multiply
    47,779,066.46x = 71,319,794.41 × 40,999,207.90
  4. Step 4: Simplify right side
    47,779,066.46x = 2,924,055,078,400,847.50
  5. Step 5: Solve for x
    x = 2,924,055,078,400,847.50/47,779,066.46
  6. Step 6: Final answer
    x = 61,199,502.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.