Home / 166,680,004.80-250,020,007.20-86,058,436.80

Finding the Fourth Proportional to 166,680,004.80, 250,020,007.20 and 86,058,436.80

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Solution

The fourth proportional to 166,680,004.80, 250,020,007.20 and 86,058,436.80 is: 129,087,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,680,004.80 : 250,020,007.20 = 86,058,436.80 : x
  2. Step 2: Convert to fraction form
    166,680,004.80/250,020,007.20 = 86,058,436.80/x
  3. Step 3: Cross multiply
    166,680,004.80x = 250,020,007.20 × 86,058,436.80
  4. Step 4: Simplify right side
    166,680,004.80x = 21,516,330,988,356,744
  5. Step 5: Solve for x
    x = 21,516,330,988,356,744/166,680,004.80
  6. Step 6: Final answer
    x = 129,087,655.20

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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.