Home / 91,497,733.62-137,251,014.54-30,085,532.70

Finding the Fourth Proportional to 91,497,733.62, 137,251,014.54 and 30,085,532.70

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Solution

The fourth proportional to 91,497,733.62, 137,251,014.54 and 30,085,532.70 is: 45,129,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,733.62 : 137,251,014.54 = 30,085,532.70 : x
  2. Step 2: Convert to fraction form
    91,497,733.62/137,251,014.54 = 30,085,532.70/x
  3. Step 3: Cross multiply
    91,497,733.62x = 137,251,014.54 × 30,085,532.70
  4. Step 4: Simplify right side
    91,497,733.62x = 4,129,269,886,051,345
  5. Step 5: Solve for x
    x = 4,129,269,886,051,345/91,497,733.62
  6. Step 6: Final answer
    x = 45,129,750.46

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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.