Home / 163,119,697.72-225,107,022.96-88,780,734.19

Finding the Fourth Proportional to 163,119,697.72, 225,107,022.96 and 88,780,734.19

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Solution

The fourth proportional to 163,119,697.72, 225,107,022.96 and 88,780,734.19 is: 122,518,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,119,697.72 : 225,107,022.96 = 88,780,734.19 : x
  2. Step 2: Convert to fraction form
    163,119,697.72/225,107,022.96 = 88,780,734.19/x
  3. Step 3: Cross multiply
    163,119,697.72x = 225,107,022.96 × 88,780,734.19
  4. Step 4: Simplify right side
    163,119,697.72x = 19,985,166,769,713,988
  5. Step 5: Solve for x
    x = 19,985,166,769,713,988/163,119,697.72
  6. Step 6: Final answer
    x = 122,518,414.69

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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.