Home / 349,747,701.20-524,201,647.80-145,170,472.40

Finding the Fourth Proportional to 349,747,701.20, 524,201,647.80 and 145,170,472.40

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Solution

The fourth proportional to 349,747,701.20, 524,201,647.80 and 145,170,472.40 is: 217,581,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,747,701.20 : 524,201,647.80 = 145,170,472.40 : x
  2. Step 2: Convert to fraction form
    349,747,701.20/524,201,647.80 = 145,170,472.40/x
  3. Step 3: Cross multiply
    349,747,701.20x = 524,201,647.80 × 145,170,472.40
  4. Step 4: Simplify right side
    349,747,701.20x = 76,098,600,843,984,432
  5. Step 5: Solve for x
    x = 76,098,600,843,984,432/349,747,701.20
  6. Step 6: Final answer
    x = 217,581,418.21

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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.