Home / 360,679,492.46-540,682,658.31-142,331,642.66

Finding the Fourth Proportional to 360,679,492.46, 540,682,658.31 and 142,331,642.66

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Solution

The fourth proportional to 360,679,492.46, 540,682,658.31 and 142,331,642.66 is: 213,364,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,679,492.46 : 540,682,658.31 = 142,331,642.66 : x
  2. Step 2: Convert to fraction form
    360,679,492.46/540,682,658.31 = 142,331,642.66/x
  3. Step 3: Cross multiply
    360,679,492.46x = 540,682,658.31 × 142,331,642.66
  4. Step 4: Simplify right side
    360,679,492.46x = 76,956,250,915,037,792
  5. Step 5: Solve for x
    x = 76,956,250,915,037,792/360,679,492.46
  6. Step 6: Final answer
    x = 213,364,642.36

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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.