Home / 540,012,024.69-810,012,132.09-131,068,175.19

Finding the Fourth Proportional to 540,012,024.69, 810,012,132.09 and 131,068,175.19

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Solution

The fourth proportional to 540,012,024.69, 810,012,132.09 and 131,068,175.19 is: 196,600,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,012,024.69 : 810,012,132.09 = 131,068,175.19 : x
  2. Step 2: Convert to fraction form
    540,012,024.69/810,012,132.09 = 131,068,175.19/x
  3. Step 3: Cross multiply
    540,012,024.69x = 810,012,132.09 × 131,068,175.19
  4. Step 4: Simplify right side
    540,012,024.69x = 106,166,812,034,797,536
  5. Step 5: Solve for x
    x = 106,166,812,034,797,536/540,012,024.69
  6. Step 6: Final answer
    x = 196,600,829.58

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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.