Home / 166,603,430.16-250,066,348.20-80,402,517.36

Finding the Fourth Proportional to 166,603,430.16, 250,066,348.20 and 80,402,517.36

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Solution

The fourth proportional to 166,603,430.16, 250,066,348.20 and 80,402,517.36 is: 120,681,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,603,430.16 : 250,066,348.20 = 80,402,517.36 : x
  2. Step 2: Convert to fraction form
    166,603,430.16/250,066,348.20 = 80,402,517.36/x
  3. Step 3: Cross multiply
    166,603,430.16x = 250,066,348.20 × 80,402,517.36
  4. Step 4: Simplify right side
    166,603,430.16x = 20,105,963,902,302,304
  5. Step 5: Solve for x
    x = 20,105,963,902,302,304/166,603,430.16
  6. Step 6: Final answer
    x = 120,681,572.30

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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.