Home / 315,026,882.70-472,398,606.45-120,873,770.70

Finding the Fourth Proportional to 315,026,882.70, 472,398,606.45 and 120,873,770.70

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Solution

The fourth proportional to 315,026,882.70, 472,398,606.45 and 120,873,770.70 is: 181,256,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,026,882.70 : 472,398,606.45 = 120,873,770.70 : x
  2. Step 2: Convert to fraction form
    315,026,882.70/472,398,606.45 = 120,873,770.70/x
  3. Step 3: Cross multiply
    315,026,882.70x = 472,398,606.45 × 120,873,770.70
  4. Step 4: Simplify right side
    315,026,882.70x = 57,100,600,835,036,840
  5. Step 5: Solve for x
    x = 57,100,600,835,036,840/315,026,882.70
  6. Step 6: Final answer
    x = 181,256,279.93

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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.