Home / 171,065,320.43-256,623,587.42-61,916,029.11

Finding the Fourth Proportional to 171,065,320.43, 256,623,587.42 and 61,916,029.11

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Solution

The fourth proportional to 171,065,320.43, 256,623,587.42 and 61,916,029.11 is: 92,883,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,065,320.43 : 256,623,587.42 = 61,916,029.11 : x
  2. Step 2: Convert to fraction form
    171,065,320.43/256,623,587.42 = 61,916,029.11/x
  3. Step 3: Cross multiply
    171,065,320.43x = 256,623,587.42 × 61,916,029.11
  4. Step 4: Simplify right side
    171,065,320.43x = 15,889,113,508,699,768
  5. Step 5: Solve for x
    x = 15,889,113,508,699,768/171,065,320.43
  6. Step 6: Final answer
    x = 92,883,311.88

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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.