Home / 49,911,728.96-68,866,381.80-28,991,330.96

Finding the Fourth Proportional to 49,911,728.96, 68,866,381.80 and 28,991,330.96

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Solution

The fourth proportional to 49,911,728.96, 68,866,381.80 and 28,991,330.96 is: 40,001,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911,728.96 : 68,866,381.80 = 28,991,330.96 : x
  2. Step 2: Convert to fraction form
    49,911,728.96/68,866,381.80 = 28,991,330.96/x
  3. Step 3: Cross multiply
    49,911,728.96x = 68,866,381.80 × 28,991,330.96
  4. Step 4: Simplify right side
    49,911,728.96x = 1,996,528,066,781,520.50
  5. Step 5: Solve for x
    x = 1,996,528,066,781,520.50/49,911,728.96
  6. Step 6: Final answer
    x = 40,001,180.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.