Home / 247,191,307.20-370,786,960.80-74,650,129.20

Finding the Fourth Proportional to 247,191,307.20, 370,786,960.80 and 74,650,129.20

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Solution

The fourth proportional to 247,191,307.20, 370,786,960.80 and 74,650,129.20 is: 111,975,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,191,307.20 : 370,786,960.80 = 74,650,129.20 : x
  2. Step 2: Convert to fraction form
    247,191,307.20/370,786,960.80 = 74,650,129.20/x
  3. Step 3: Cross multiply
    247,191,307.20x = 370,786,960.80 × 74,650,129.20
  4. Step 4: Simplify right side
    247,191,307.20x = 27,679,294,529,395,336
  5. Step 5: Solve for x
    x = 27,679,294,529,395,336/247,191,307.20
  6. Step 6: Final answer
    x = 111,975,193.80

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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.