Home / 314,187,920.38-471,356,063.61-98,777,168.38

Finding the Fourth Proportional to 314,187,920.38, 471,356,063.61 and 98,777,168.38

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Solution

The fourth proportional to 314,187,920.38, 471,356,063.61 and 98,777,168.38 is: 148,189,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,187,920.38 : 471,356,063.61 = 98,777,168.38 : x
  2. Step 2: Convert to fraction form
    314,187,920.38/471,356,063.61 = 98,777,168.38/x
  3. Step 3: Cross multiply
    314,187,920.38x = 471,356,063.61 × 98,777,168.38
  4. Step 4: Simplify right side
    314,187,920.38x = 46,559,217,262,138,960
  5. Step 5: Solve for x
    x = 46,559,217,262,138,960/314,187,920.38
  6. Step 6: Final answer
    x = 148,189,074.89

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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.