Home / 143,776,864.22-198,507,750.37-85,058,341.79

Finding the Fourth Proportional to 143,776,864.22, 198,507,750.37 and 85,058,341.79

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Solution

The fourth proportional to 143,776,864.22, 198,507,750.37 and 85,058,341.79 is: 117,437,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,776,864.22 : 198,507,750.37 = 85,058,341.79 : x
  2. Step 2: Convert to fraction form
    143,776,864.22/198,507,750.37 = 85,058,341.79/x
  3. Step 3: Cross multiply
    143,776,864.22x = 198,507,750.37 × 85,058,341.79
  4. Step 4: Simplify right side
    143,776,864.22x = 16,884,740,077,730,274
  5. Step 5: Solve for x
    x = 16,884,740,077,730,274/143,776,864.22
  6. Step 6: Final answer
    x = 117,437,114.59

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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.