Home / 77,309,290.46-115,711,596.54-56,833,589.18

Finding the Fourth Proportional to 77,309,290.46, 115,711,596.54 and 56,833,589.18

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Solution

The fourth proportional to 77,309,290.46, 115,711,596.54 and 56,833,589.18 is: 85,064,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309,290.46 : 115,711,596.54 = 56,833,589.18 : x
  2. Step 2: Convert to fraction form
    77,309,290.46/115,711,596.54 = 56,833,589.18/x
  3. Step 3: Cross multiply
    77,309,290.46x = 115,711,596.54 × 56,833,589.18
  4. Step 4: Simplify right side
    77,309,290.46x = 6,576,305,341,116,270
  5. Step 5: Solve for x
    x = 6,576,305,341,116,270/77,309,290.46
  6. Step 6: Final answer
    x = 85,064,877.74

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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.