Home / 105,178,379.94-157,775,500.55-31,396,331.86

Finding the Fourth Proportional to 105,178,379.94, 157,775,500.55 and 31,396,331.86

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Solution

The fourth proportional to 105,178,379.94, 157,775,500.55 and 31,396,331.86 is: 47,096,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178,379.94 : 157,775,500.55 = 31,396,331.86 : x
  2. Step 2: Convert to fraction form
    105,178,379.94/157,775,500.55 = 31,396,331.86/x
  3. Step 3: Cross multiply
    105,178,379.94x = 157,775,500.55 × 31,396,331.86
  4. Step 4: Simplify right side
    105,178,379.94x = 4,953,571,974,329,465
  5. Step 5: Solve for x
    x = 4,953,571,974,329,465/105,178,379.94
  6. Step 6: Final answer
    x = 47,096,865.13

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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.