Home / 137,901,482.73-190,306,156.19-75,177,622.89

Finding the Fourth Proportional to 137,901,482.73, 190,306,156.19 and 75,177,622.89

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Solution

The fourth proportional to 137,901,482.73, 190,306,156.19 and 75,177,622.89 is: 103,746,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,901,482.73 : 190,306,156.19 = 75,177,622.89 : x
  2. Step 2: Convert to fraction form
    137,901,482.73/190,306,156.19 = 75,177,622.89/x
  3. Step 3: Cross multiply
    137,901,482.73x = 190,306,156.19 × 75,177,622.89
  4. Step 4: Simplify right side
    137,901,482.73x = 14,306,764,443,321,372
  5. Step 5: Solve for x
    x = 14,306,764,443,321,372/137,901,482.73
  6. Step 6: Final answer
    x = 103,746,269.87

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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.