Home / 165,406,907.10-248,110,360.65-162,855,990.30

Finding the Fourth Proportional to 165,406,907.10, 248,110,360.65 and 162,855,990.30

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Solution

The fourth proportional to 165,406,907.10, 248,110,360.65 and 162,855,990.30 is: 244,283,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,406,907.10 : 248,110,360.65 = 162,855,990.30 : x
  2. Step 2: Convert to fraction form
    165,406,907.10/248,110,360.65 = 162,855,990.30/x
  3. Step 3: Cross multiply
    165,406,907.10x = 248,110,360.65 × 162,855,990.30
  4. Step 4: Simplify right side
    165,406,907.10x = 40,406,258,487,345,904
  5. Step 5: Solve for x
    x = 40,406,258,487,345,904/165,406,907.10
  6. Step 6: Final answer
    x = 244,283,985.45

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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.