Home / 49,991,586.86-74,914,016.53-28,174,439.18

Finding the Fourth Proportional to 49,991,586.86, 74,914,016.53 and 28,174,439.18

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Solution

The fourth proportional to 49,991,586.86, 74,914,016.53 and 28,174,439.18 is: 42,220,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,991,586.86 : 74,914,016.53 = 28,174,439.18 : x
  2. Step 2: Convert to fraction form
    49,991,586.86/74,914,016.53 = 28,174,439.18/x
  3. Step 3: Cross multiply
    49,991,586.86x = 74,914,016.53 × 28,174,439.18
  4. Step 4: Simplify right side
    49,991,586.86x = 2,110,660,402,453,999.75
  5. Step 5: Solve for x
    x = 2,110,660,402,453,999.75/49,991,586.86
  6. Step 6: Final answer
    x = 42,220,312.16

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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.