Home / 153,558,015.20-229,889,125.20-137,433,701.60

Finding the Fourth Proportional to 153,558,015.20, 229,889,125.20 and 137,433,701.60

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Solution

The fourth proportional to 153,558,015.20, 229,889,125.20 and 137,433,701.60 is: 205,749,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,558,015.20 : 229,889,125.20 = 137,433,701.60 : x
  2. Step 2: Convert to fraction form
    153,558,015.20/229,889,125.20 = 137,433,701.60/x
  3. Step 3: Cross multiply
    153,558,015.20x = 229,889,125.20 × 137,433,701.60
  4. Step 4: Simplify right side
    153,558,015.20x = 31,594,513,433,821,836
  5. Step 5: Solve for x
    x = 31,594,513,433,821,836/153,558,015.20
  6. Step 6: Final answer
    x = 205,749,686.15

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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.