Home / 142,118,156.08-196,015,064.61-122,304,873.76

Finding the Fourth Proportional to 142,118,156.08, 196,015,064.61 and 122,304,873.76

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Solution

The fourth proportional to 142,118,156.08, 196,015,064.61 and 122,304,873.76 is: 168,687,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,118,156.08 : 196,015,064.61 = 122,304,873.76 : x
  2. Step 2: Convert to fraction form
    142,118,156.08/196,015,064.61 = 122,304,873.76/x
  3. Step 3: Cross multiply
    142,118,156.08x = 196,015,064.61 × 122,304,873.76
  4. Step 4: Simplify right side
    142,118,156.08x = 23,973,597,732,184,296
  5. Step 5: Solve for x
    x = 23,973,597,732,184,296/142,118,156.08
  6. Step 6: Final answer
    x = 168,687,790.45

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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.