Home / 121,765,085.92-182,678,082.86-35,503,492.66

Finding the Fourth Proportional to 121,765,085.92, 182,678,082.86 and 35,503,492.66

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Solution

The fourth proportional to 121,765,085.92, 182,678,082.86 and 35,503,492.66 is: 53,264,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,765,085.92 : 182,678,082.86 = 35,503,492.66 : x
  2. Step 2: Convert to fraction form
    121,765,085.92/182,678,082.86 = 35,503,492.66/x
  3. Step 3: Cross multiply
    121,765,085.92x = 182,678,082.86 × 35,503,492.66
  4. Step 4: Simplify right side
    121,765,085.92x = 6,485,709,973,962,882
  5. Step 5: Solve for x
    x = 6,485,709,973,962,882/121,765,085.92
  6. Step 6: Final answer
    x = 53,264,118.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.