Home / 137,942,515.59-190,359,285.33-75,218,459.61

Finding the Fourth Proportional to 137,942,515.59, 190,359,285.33 and 75,218,459.61

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Solution

The fourth proportional to 137,942,515.59, 190,359,285.33 and 75,218,459.61 is: 103,800,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,942,515.59 : 190,359,285.33 = 75,218,459.61 : x
  2. Step 2: Convert to fraction form
    137,942,515.59/190,359,285.33 = 75,218,459.61/x
  3. Step 3: Cross multiply
    137,942,515.59x = 190,359,285.33 × 75,218,459.61
  4. Step 4: Simplify right side
    137,942,515.59x = 14,318,532,214,908,218
  5. Step 5: Solve for x
    x = 14,318,532,214,908,218/137,942,515.59
  6. Step 6: Final answer
    x = 103,800,718.39

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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.