Home / 120,077,548.07-165,707,158.08-65,073,404.57

Finding the Fourth Proportional to 120,077,548.07, 165,707,158.08 and 65,073,404.57

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Solution

The fourth proportional to 120,077,548.07, 165,707,158.08 and 65,073,404.57 is: 89,801,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,548.07 : 165,707,158.08 = 65,073,404.57 : x
  2. Step 2: Convert to fraction form
    120,077,548.07/165,707,158.08 = 65,073,404.57/x
  3. Step 3: Cross multiply
    120,077,548.07x = 165,707,158.08 × 65,073,404.57
  4. Step 4: Simplify right side
    120,077,548.07x = 10,783,128,937,884,786
  5. Step 5: Solve for x
    x = 10,783,128,937,884,786/120,077,548.07
  6. Step 6: Final answer
    x = 89,801,375.12

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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.