Home / 192,456,009.60-288,684,014.40-118,479,422.40

Finding the Fourth Proportional to 192,456,009.60, 288,684,014.40 and 118,479,422.40

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Solution

The fourth proportional to 192,456,009.60, 288,684,014.40 and 118,479,422.40 is: 177,719,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,009.60 : 288,684,014.40 = 118,479,422.40 : x
  2. Step 2: Convert to fraction form
    192,456,009.60/288,684,014.40 = 118,479,422.40/x
  3. Step 3: Cross multiply
    192,456,009.60x = 288,684,014.40 × 118,479,422.40
  4. Step 4: Simplify right side
    192,456,009.60x = 34,203,115,282,225,280
  5. Step 5: Solve for x
    x = 34,203,115,282,225,280/192,456,009.60
  6. Step 6: Final answer
    x = 177,719,133.60

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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.