Home / 165,889,412.80-248,834,119.20-125,578,628.80

Finding the Fourth Proportional to 165,889,412.80, 248,834,119.20 and 125,578,628.80

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Solution

The fourth proportional to 165,889,412.80, 248,834,119.20 and 125,578,628.80 is: 188,367,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,412.80 : 248,834,119.20 = 125,578,628.80 : x
  2. Step 2: Convert to fraction form
    165,889,412.80/248,834,119.20 = 125,578,628.80/x
  3. Step 3: Cross multiply
    165,889,412.80x = 248,834,119.20 × 125,578,628.80
  4. Step 4: Simplify right side
    165,889,412.80x = 31,248,247,487,791,752
  5. Step 5: Solve for x
    x = 31,248,247,487,791,752/165,889,412.80
  6. Step 6: Final answer
    x = 188,367,943.20

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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.