Home / 147,059,587.20-220,589,380.80-98,686,646.40

Finding the Fourth Proportional to 147,059,587.20, 220,589,380.80 and 98,686,646.40

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Solution

The fourth proportional to 147,059,587.20, 220,589,380.80 and 98,686,646.40 is: 148,029,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,059,587.20 : 220,589,380.80 = 98,686,646.40 : x
  2. Step 2: Convert to fraction form
    147,059,587.20/220,589,380.80 = 98,686,646.40/x
  3. Step 3: Cross multiply
    147,059,587.20x = 220,589,380.80 × 98,686,646.40
  4. Step 4: Simplify right side
    147,059,587.20x = 21,769,226,222,604,552
  5. Step 5: Solve for x
    x = 21,769,226,222,604,552/147,059,587.20
  6. Step 6: Final answer
    x = 148,029,969.60

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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.