Home / 155,280,493.20-232,920,739.80-74,459,859.60

Finding the Fourth Proportional to 155,280,493.20, 232,920,739.80 and 74,459,859.60

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Solution

The fourth proportional to 155,280,493.20, 232,920,739.80 and 74,459,859.60 is: 111,689,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,493.20 : 232,920,739.80 = 74,459,859.60 : x
  2. Step 2: Convert to fraction form
    155,280,493.20/232,920,739.80 = 74,459,859.60/x
  3. Step 3: Cross multiply
    155,280,493.20x = 232,920,739.80 × 74,459,859.60
  4. Step 4: Simplify right side
    155,280,493.20x = 17,343,245,583,436,132
  5. Step 5: Solve for x
    x = 17,343,245,583,436,132/155,280,493.20
  6. Step 6: Final answer
    x = 111,689,789.40

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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.