Home / 164,989,477.20-247,484,215.80-74,290,213.20

Finding the Fourth Proportional to 164,989,477.20, 247,484,215.80 and 74,290,213.20

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Solution

The fourth proportional to 164,989,477.20, 247,484,215.80 and 74,290,213.20 is: 111,435,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,989,477.20 : 247,484,215.80 = 74,290,213.20 : x
  2. Step 2: Convert to fraction form
    164,989,477.20/247,484,215.80 = 74,290,213.20/x
  3. Step 3: Cross multiply
    164,989,477.20x = 247,484,215.80 × 74,290,213.20
  4. Step 4: Simplify right side
    164,989,477.20x = 18,385,655,155,416,812
  5. Step 5: Solve for x
    x = 18,385,655,155,416,812/164,989,477.20
  6. Step 6: Final answer
    x = 111,435,319.80

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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.