Home / 247,124,887.40-370,620,975.90-103,487,997.80

Finding the Fourth Proportional to 247,124,887.40, 370,620,975.90 and 103,487,997.80

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Solution

The fourth proportional to 247,124,887.40, 370,620,975.90 and 103,487,997.80 is: 155,204,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,124,887.40 : 370,620,975.90 = 103,487,997.80 : x
  2. Step 2: Convert to fraction form
    247,124,887.40/370,620,975.90 = 103,487,997.80/x
  3. Step 3: Cross multiply
    247,124,887.40x = 370,620,975.90 × 103,487,997.80
  4. Step 4: Simplify right side
    247,124,887.40x = 38,354,822,738,573,048
  5. Step 5: Solve for x
    x = 38,354,822,738,573,048/247,124,887.40
  6. Step 6: Final answer
    x = 155,204,209.26

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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.