Home / 71,919,385.50-107,879,181.93-29,369,113.50

Finding the Fourth Proportional to 71,919,385.50, 107,879,181.93 and 29,369,113.50

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Solution

The fourth proportional to 71,919,385.50, 107,879,181.93 and 29,369,113.50 is: 44,053,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919,385.50 : 107,879,181.93 = 29,369,113.50 : x
  2. Step 2: Convert to fraction form
    71,919,385.50/107,879,181.93 = 29,369,113.50/x
  3. Step 3: Cross multiply
    71,919,385.50x = 107,879,181.93 × 29,369,113.50
  4. Step 4: Simplify right side
    71,919,385.50x = 3,168,315,938,389,319.50
  5. Step 5: Solve for x
    x = 3,168,315,938,389,319.50/71,919,385.50
  6. Step 6: Final answer
    x = 44,053,712.59

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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.