Home / 60,440,138.30-90,660,207.45-51,086,776.70

Finding the Fourth Proportional to 60,440,138.30, 90,660,207.45 and 51,086,776.70

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Solution

The fourth proportional to 60,440,138.30, 90,660,207.45 and 51,086,776.70 is: 76,630,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,440,138.30 : 90,660,207.45 = 51,086,776.70 : x
  2. Step 2: Convert to fraction form
    60,440,138.30/90,660,207.45 = 51,086,776.70/x
  3. Step 3: Cross multiply
    60,440,138.30x = 90,660,207.45 × 51,086,776.70
  4. Step 4: Simplify right side
    60,440,138.30x = 4,631,537,773,573,827
  5. Step 5: Solve for x
    x = 4,631,537,773,573,827/60,440,138.30
  6. Step 6: Final answer
    x = 76,630,165.05

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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.