Home / 147,744,009.60-221,616,014.40-145,728,470.40

Finding the Fourth Proportional to 147,744,009.60, 221,616,014.40 and 145,728,470.40

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Solution

The fourth proportional to 147,744,009.60, 221,616,014.40 and 145,728,470.40 is: 218,592,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,009.60 : 221,616,014.40 = 145,728,470.40 : x
  2. Step 2: Convert to fraction form
    147,744,009.60/221,616,014.40 = 145,728,470.40/x
  3. Step 3: Cross multiply
    147,744,009.60x = 221,616,014.40 × 145,728,470.40
  4. Step 4: Simplify right side
    147,744,009.60x = 32,295,762,794,656,376
  5. Step 5: Solve for x
    x = 32,295,762,794,656,376/147,744,009.60
  6. Step 6: Final answer
    x = 218,592,705.60

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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.