Home / 91,080,888.69-136,478,342.20-61,948,621.68

Finding the Fourth Proportional to 91,080,888.69, 136,478,342.20 and 61,948,621.68

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Solution

The fourth proportional to 91,080,888.69, 136,478,342.20 and 61,948,621.68 is: 92,825,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,080,888.69 : 136,478,342.20 = 61,948,621.68 : x
  2. Step 2: Convert to fraction form
    91,080,888.69/136,478,342.20 = 61,948,621.68/x
  3. Step 3: Cross multiply
    91,080,888.69x = 136,478,342.20 × 61,948,621.68
  4. Step 4: Simplify right side
    91,080,888.69x = 8,454,645,188,461,378
  5. Step 5: Solve for x
    x = 8,454,645,188,461,378/91,080,888.69
  6. Step 6: Final answer
    x = 92,825,677.37

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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.