Home / 120,145,341.69-180,223,253.24-58,786,164.59

Finding the Fourth Proportional to 120,145,341.69, 180,223,253.24 and 58,786,164.59

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Solution

The fourth proportional to 120,145,341.69, 180,223,253.24 and 58,786,164.59 is: 88,181,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,145,341.69 : 180,223,253.24 = 58,786,164.59 : x
  2. Step 2: Convert to fraction form
    120,145,341.69/180,223,253.24 = 58,786,164.59/x
  3. Step 3: Cross multiply
    120,145,341.69x = 180,223,253.24 × 58,786,164.59
  4. Step 4: Simplify right side
    120,145,341.69x = 10,594,633,826,716,844
  5. Step 5: Solve for x
    x = 10,594,633,826,716,844/120,145,341.69
  6. Step 6: Final answer
    x = 88,181,811.11

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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.