Home / 144,403,651.86-216,584,171.55-42,140,231.70

Finding the Fourth Proportional to 144,403,651.86, 216,584,171.55 and 42,140,231.70

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Solution

The fourth proportional to 144,403,651.86, 216,584,171.55 and 42,140,231.70 is: 63,204,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,403,651.86 : 216,584,171.55 = 42,140,231.70 : x
  2. Step 2: Convert to fraction form
    144,403,651.86/216,584,171.55 = 42,140,231.70/x
  3. Step 3: Cross multiply
    144,403,651.86x = 216,584,171.55 × 42,140,231.70
  4. Step 4: Simplify right side
    144,403,651.86x = 9,126,907,171,669,550
  5. Step 5: Solve for x
    x = 9,126,907,171,669,550/144,403,651.86
  6. Step 6: Final answer
    x = 63,204,129.91

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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.