Home / 163,350,375.30-245,308,998.15-86,822,871.30

Finding the Fourth Proportional to 163,350,375.30, 245,308,998.15 and 86,822,871.30

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Solution

The fourth proportional to 163,350,375.30, 245,308,998.15 and 86,822,871.30 is: 130,384,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,350,375.30 : 245,308,998.15 = 86,822,871.30 : x
  2. Step 2: Convert to fraction form
    163,350,375.30/245,308,998.15 = 86,822,871.30/x
  3. Step 3: Cross multiply
    163,350,375.30x = 245,308,998.15 × 86,822,871.30
  4. Step 4: Simplify right side
    163,350,375.30x = 21,298,431,575,109,388
  5. Step 5: Solve for x
    x = 21,298,431,575,109,388/163,350,375.30
  6. Step 6: Final answer
    x = 130,384,956.48

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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.