Home / 103,804,847.46-155,678,447.88-31,004,368.65

Finding the Fourth Proportional to 103,804,847.46, 155,678,447.88 and 31,004,368.65

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Solution

The fourth proportional to 103,804,847.46, 155,678,447.88 and 31,004,368.65 is: 46,497,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,804,847.46 : 155,678,447.88 = 31,004,368.65 : x
  2. Step 2: Convert to fraction form
    103,804,847.46/155,678,447.88 = 31,004,368.65/x
  3. Step 3: Cross multiply
    103,804,847.46x = 155,678,447.88 × 31,004,368.65
  4. Step 4: Simplify right side
    103,804,847.46x = 4,826,711,988,931,331
  5. Step 5: Solve for x
    x = 4,826,711,988,931,331/103,804,847.46
  6. Step 6: Final answer
    x = 46,497,944.05

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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.