Home / 342,122,015.68-513,335,588.40-157,790,370.40

Finding the Fourth Proportional to 342,122,015.68, 513,335,588.40 and 157,790,370.40

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Solution

The fourth proportional to 342,122,015.68, 513,335,588.40 and 157,790,370.40 is: 236,755,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,122,015.68 : 513,335,588.40 = 157,790,370.40 : x
  2. Step 2: Convert to fraction form
    342,122,015.68/513,335,588.40 = 157,790,370.40/x
  3. Step 3: Cross multiply
    342,122,015.68x = 513,335,588.40 × 157,790,370.40
  4. Step 4: Simplify right side
    342,122,015.68x = 80,999,412,633,137,936
  5. Step 5: Solve for x
    x = 80,999,412,633,137,936/342,122,015.68
  6. Step 6: Final answer
    x = 236,755,920.17

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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.