Home / 130,363,276.80-195,544,915.20-109,318,213.20

Finding the Fourth Proportional to 130,363,276.80, 195,544,915.20 and 109,318,213.20

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Solution

The fourth proportional to 130,363,276.80, 195,544,915.20 and 109,318,213.20 is: 163,977,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363,276.80 : 195,544,915.20 = 109,318,213.20 : x
  2. Step 2: Convert to fraction form
    130,363,276.80/195,544,915.20 = 109,318,213.20/x
  3. Step 3: Cross multiply
    130,363,276.80x = 195,544,915.20 × 109,318,213.20
  4. Step 4: Simplify right side
    130,363,276.80x = 21,376,620,730,009,520
  5. Step 5: Solve for x
    x = 21,376,620,730,009,520/130,363,276.80
  6. Step 6: Final answer
    x = 163,977,319.80

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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.