Home / 121,205,477.20-167,264,069.35-68,282,819.86

Finding the Fourth Proportional to 121,205,477.20, 167,264,069.35 and 68,282,819.86

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Solution

The fourth proportional to 121,205,477.20, 167,264,069.35 and 68,282,819.86 is: 94,230,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205,477.20 : 167,264,069.35 = 68,282,819.86 : x
  2. Step 2: Convert to fraction form
    121,205,477.20/167,264,069.35 = 68,282,819.86/x
  3. Step 3: Cross multiply
    121,205,477.20x = 167,264,069.35 × 68,282,819.86
  4. Step 4: Simplify right side
    121,205,477.20x = 11,421,262,316,229,144
  5. Step 5: Solve for x
    x = 11,421,262,316,229,144/121,205,477.20
  6. Step 6: Final answer
    x = 94,230,579.18

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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.