Home / 165,889,409.20-248,834,113.80-155,803,418.80

Finding the Fourth Proportional to 165,889,409.20, 248,834,113.80 and 155,803,418.80

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Solution

The fourth proportional to 165,889,409.20, 248,834,113.80 and 155,803,418.80 is: 233,705,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,409.20 : 248,834,113.80 = 155,803,418.80 : x
  2. Step 2: Convert to fraction form
    165,889,409.20/248,834,113.80 = 155,803,418.80/x
  3. Step 3: Cross multiply
    165,889,409.20x = 248,834,113.80 × 155,803,418.80
  4. Step 4: Simplify right side
    165,889,409.20x = 38,769,205,644,108,264
  5. Step 5: Solve for x
    x = 38,769,205,644,108,264/165,889,409.20
  6. Step 6: Final answer
    x = 233,705,128.20

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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.