Home / 98,280,031.20-147,420,046.80-30,113,865.60

Finding the Fourth Proportional to 98,280,031.20, 147,420,046.80 and 30,113,865.60

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Solution

The fourth proportional to 98,280,031.20, 147,420,046.80 and 30,113,865.60 is: 45,170,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,280,031.20 : 147,420,046.80 = 30,113,865.60 : x
  2. Step 2: Convert to fraction form
    98,280,031.20/147,420,046.80 = 30,113,865.60/x
  3. Step 3: Cross multiply
    98,280,031.20x = 147,420,046.80 × 30,113,865.60
  4. Step 4: Simplify right side
    98,280,031.20x = 4,439,387,476,080,910.50
  5. Step 5: Solve for x
    x = 4,439,387,476,080,910.50/98,280,031.20
  6. Step 6: Final answer
    x = 45,170,798.40

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1.5x scale

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.