Home / 161,967,654.13-223,669,731.85-153,143,759.66

Finding the Fourth Proportional to 161,967,654.13, 223,669,731.85 and 153,143,759.66

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Solution

The fourth proportional to 161,967,654.13, 223,669,731.85 and 153,143,759.66 is: 211,484,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,967,654.13 : 223,669,731.85 = 153,143,759.66 : x
  2. Step 2: Convert to fraction form
    161,967,654.13/223,669,731.85 = 153,143,759.66/x
  3. Step 3: Cross multiply
    161,967,654.13x = 223,669,731.85 × 153,143,759.66
  4. Step 4: Simplify right side
    161,967,654.13x = 34,253,623,657,014,040
  5. Step 5: Solve for x
    x = 34,253,623,657,014,040/161,967,654.13
  6. Step 6: Final answer
    x = 211,484,347.55

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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.