Home / 131,150,713.62-180,988,643.52-72,413,492.34

Finding the Fourth Proportional to 131,150,713.62, 180,988,643.52 and 72,413,492.34

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Solution

The fourth proportional to 131,150,713.62, 180,988,643.52 and 72,413,492.34 is: 99,930,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,150,713.62 : 180,988,643.52 = 72,413,492.34 : x
  2. Step 2: Convert to fraction form
    131,150,713.62/180,988,643.52 = 72,413,492.34/x
  3. Step 3: Cross multiply
    131,150,713.62x = 180,988,643.52 × 72,413,492.34
  4. Step 4: Simplify right side
    131,150,713.62x = 13,106,019,751,162,512
  5. Step 5: Solve for x
    x = 13,106,019,751,162,512/131,150,713.62
  6. Step 6: Final answer
    x = 99,930,983.14

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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.