Home / 123,586,343.80-185,379,515.70-69,166,785.40

Finding the Fourth Proportional to 123,586,343.80, 185,379,515.70 and 69,166,785.40

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Solution

The fourth proportional to 123,586,343.80, 185,379,515.70 and 69,166,785.40 is: 103,750,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586,343.80 : 185,379,515.70 = 69,166,785.40 : x
  2. Step 2: Convert to fraction form
    123,586,343.80/185,379,515.70 = 69,166,785.40/x
  3. Step 3: Cross multiply
    123,586,343.80x = 185,379,515.70 × 69,166,785.40
  4. Step 4: Simplify right side
    123,586,343.80x = 12,822,105,179,977,832
  5. Step 5: Solve for x
    x = 12,822,105,179,977,832/123,586,343.80
  6. Step 6: Final answer
    x = 103,750,178.10

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1.5x scale

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.