Home / 103,676,401-155,539,795.74-31,872,817

Finding the Fourth Proportional to 103,676,401, 155,539,795.74 and 31,872,817

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Solution

The fourth proportional to 103,676,401, 155,539,795.74 and 31,872,817 is: 47,816,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,676,401 : 155,539,795.74 = 31,872,817 : x
  2. Step 2: Convert to fraction form
    103,676,401/155,539,795.74 = 31,872,817/x
  3. Step 3: Cross multiply
    103,676,401x = 155,539,795.74 × 31,872,817
  4. Step 4: Simplify right side
    103,676,401x = 4,957,491,445,838,400
  5. Step 5: Solve for x
    x = 4,957,491,445,838,400/103,676,401
  6. Step 6: Final answer
    x = 47,816,970.86

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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.