Home / 154,060,220.12-231,090,316.15-67,798,626.85

Finding the Fourth Proportional to 154,060,220.12, 231,090,316.15 and 67,798,626.85

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Solution

The fourth proportional to 154,060,220.12, 231,090,316.15 and 67,798,626.85 is: 101,697,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,060,220.12 : 231,090,316.15 = 67,798,626.85 : x
  2. Step 2: Convert to fraction form
    154,060,220.12/231,090,316.15 = 67,798,626.85/x
  3. Step 3: Cross multiply
    154,060,220.12x = 231,090,316.15 × 67,798,626.85
  4. Step 4: Simplify right side
    154,060,220.12x = 15,667,606,113,302,378
  5. Step 5: Solve for x
    x = 15,667,606,113,302,378/154,060,220.12
  6. Step 6: Final answer
    x = 101,697,934.10

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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.