Home / 146,760,937.20-220,141,405.80-98,387,996.40

Finding the Fourth Proportional to 146,760,937.20, 220,141,405.80 and 98,387,996.40

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Solution

The fourth proportional to 146,760,937.20, 220,141,405.80 and 98,387,996.40 is: 147,581,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,760,937.20 : 220,141,405.80 = 98,387,996.40 : x
  2. Step 2: Convert to fraction form
    146,760,937.20/220,141,405.80 = 98,387,996.40/x
  3. Step 3: Cross multiply
    146,760,937.20x = 220,141,405.80 × 98,387,996.40
  4. Step 4: Simplify right side
    146,760,937.20x = 21,659,271,841,341,340
  5. Step 5: Solve for x
    x = 21,659,271,841,341,340/146,760,937.20
  6. Step 6: Final answer
    x = 147,581,994.60

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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.