Home / 121,999,060.11-168,363,530.32-68,354,184.04

Finding the Fourth Proportional to 121,999,060.11, 168,363,530.32 and 68,354,184.04

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Solution

The fourth proportional to 121,999,060.11, 168,363,530.32 and 68,354,184.04 is: 94,331,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,999,060.11 : 168,363,530.32 = 68,354,184.04 : x
  2. Step 2: Convert to fraction form
    121,999,060.11/168,363,530.32 = 68,354,184.04/x
  3. Step 3: Cross multiply
    121,999,060.11x = 168,363,530.32 × 68,354,184.04
  4. Step 4: Simplify right side
    121,999,060.11x = 11,508,351,736,838,758
  5. Step 5: Solve for x
    x = 11,508,351,736,838,758/121,999,060.11
  6. Step 6: Final answer
    x = 94,331,478.67

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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.