Home / 163,091,779.90-225,066,693-89,752,921.90

Finding the Fourth Proportional to 163,091,779.90, 225,066,693 and 89,752,921.90

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Solution

The fourth proportional to 163,091,779.90, 225,066,693 and 89,752,921.90 is: 123,859,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091,779.90 : 225,066,693 = 89,752,921.90 : x
  2. Step 2: Convert to fraction form
    163,091,779.90/225,066,693 = 89,752,921.90/x
  3. Step 3: Cross multiply
    163,091,779.90x = 225,066,693 × 89,752,921.90
  4. Step 4: Simplify right side
    163,091,779.90x = 20,200,393,319,120,280
  5. Step 5: Solve for x
    x = 20,200,393,319,120,280/163,091,779.90
  6. Step 6: Final answer
    x = 123,859,052.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.