Home / 147,116,830.80-220,675,246.20-131,244,459.60

Finding the Fourth Proportional to 147,116,830.80, 220,675,246.20 and 131,244,459.60

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Solution

The fourth proportional to 147,116,830.80, 220,675,246.20 and 131,244,459.60 is: 196,866,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,116,830.80 : 220,675,246.20 = 131,244,459.60 : x
  2. Step 2: Convert to fraction form
    147,116,830.80/220,675,246.20 = 131,244,459.60/x
  3. Step 3: Cross multiply
    147,116,830.80x = 220,675,246.20 × 131,244,459.60
  4. Step 4: Simplify right side
    147,116,830.80x = 28,962,403,434,615,952
  5. Step 5: Solve for x
    x = 28,962,403,434,615,952/147,116,830.80
  6. Step 6: Final answer
    x = 196,866,689.40

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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.