Home / 80,711,810.25-120,986,774.51-41,828,486.63

Finding the Fourth Proportional to 80,711,810.25, 120,986,774.51 and 41,828,486.63

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Solution

The fourth proportional to 80,711,810.25, 120,986,774.51 and 41,828,486.63 is: 62,700,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,711,810.25 : 120,986,774.51 = 41,828,486.63 : x
  2. Step 2: Convert to fraction form
    80,711,810.25/120,986,774.51 = 41,828,486.63/x
  3. Step 3: Cross multiply
    80,711,810.25x = 120,986,774.51 × 41,828,486.63
  4. Step 4: Simplify right side
    80,711,810.25x = 5,060,693,679,184,283
  5. Step 5: Solve for x
    x = 5,060,693,679,184,283/80,711,810.25
  6. Step 6: Final answer
    x = 62,700,782.74

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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.