Home / 121,407,800.14-167,436,880.46-86,055,680.62

Finding the Fourth Proportional to 121,407,800.14, 167,436,880.46 and 86,055,680.62

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Solution

The fourth proportional to 121,407,800.14, 167,436,880.46 and 86,055,680.62 is: 118,681,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,407,800.14 : 167,436,880.46 = 86,055,680.62 : x
  2. Step 2: Convert to fraction form
    121,407,800.14/167,436,880.46 = 86,055,680.62/x
  3. Step 3: Cross multiply
    121,407,800.14x = 167,436,880.46 × 86,055,680.62
  4. Step 4: Simplify right side
    121,407,800.14x = 14,408,894,708,037,694
  5. Step 5: Solve for x
    x = 14,408,894,708,037,694/121,407,800.14
  6. Step 6: Final answer
    x = 118,681,787.27

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1.5x scale

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.