Home / 143,983,738.69-215,872,444.51-60,991,083.61

Finding the Fourth Proportional to 143,983,738.69, 215,872,444.51 and 60,991,083.61

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Solution

The fourth proportional to 143,983,738.69, 215,872,444.51 and 60,991,083.61 is: 91,442,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,983,738.69 : 215,872,444.51 = 60,991,083.61 : x
  2. Step 2: Convert to fraction form
    143,983,738.69/215,872,444.51 = 60,991,083.61/x
  3. Step 3: Cross multiply
    143,983,738.69x = 215,872,444.51 × 60,991,083.61
  4. Step 4: Simplify right side
    143,983,738.69x = 13,166,294,312,204,494
  5. Step 5: Solve for x
    x = 13,166,294,312,204,494/143,983,738.69
  6. Step 6: Final answer
    x = 91,442,925.65

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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.