Home / 142,101,071.44-212,931,900.77-110,902,755.08

Finding the Fourth Proportional to 142,101,071.44, 212,931,900.77 and 110,902,755.08

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Solution

The fourth proportional to 142,101,071.44, 212,931,900.77 and 110,902,755.08 is: 166,182,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,101,071.44 : 212,931,900.77 = 110,902,755.08 : x
  2. Step 2: Convert to fraction form
    142,101,071.44/212,931,900.77 = 110,902,755.08/x
  3. Step 3: Cross multiply
    142,101,071.44x = 212,931,900.77 × 110,902,755.08
  4. Step 4: Simplify right side
    142,101,071.44x = 23,614,734,439,791,988
  5. Step 5: Solve for x
    x = 23,614,734,439,791,988/142,101,071.44
  6. Step 6: Final answer
    x = 166,182,662.81

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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.