Home / 90,344,230.67-124,675,785.63-49,091,123.05

Finding the Fourth Proportional to 90,344,230.67, 124,675,785.63 and 49,091,123.05

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Solution

The fourth proportional to 90,344,230.67, 124,675,785.63 and 49,091,123.05 is: 67,746,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344,230.67 : 124,675,785.63 = 49,091,123.05 : x
  2. Step 2: Convert to fraction form
    90,344,230.67/124,675,785.63 = 49,091,123.05/x
  3. Step 3: Cross multiply
    90,344,230.67x = 124,675,785.63 × 49,091,123.05
  4. Step 4: Simplify right side
    90,344,230.67x = 6,120,474,333,406,062
  5. Step 5: Solve for x
    x = 6,120,474,333,406,062/90,344,230.67
  6. Step 6: Final answer
    x = 67,746,155.87

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1.5x scale

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.