Home / 151,954,209.69-209,673,619.85-85,850,588.76

Finding the Fourth Proportional to 151,954,209.69, 209,673,619.85 and 85,850,588.76

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Solution

The fourth proportional to 151,954,209.69, 209,673,619.85 and 85,850,588.76 is: 118,460,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,954,209.69 : 209,673,619.85 = 85,850,588.76 : x
  2. Step 2: Convert to fraction form
    151,954,209.69/209,673,619.85 = 85,850,588.76/x
  3. Step 3: Cross multiply
    151,954,209.69x = 209,673,619.85 × 85,850,588.76
  4. Step 4: Simplify right side
    151,954,209.69x = 18,000,603,711,133,670
  5. Step 5: Solve for x
    x = 18,000,603,711,133,670/151,954,209.69
  6. Step 6: Final answer
    x = 118,460,710.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.