Home / 342,124,688.39-472,135,578.50-185,492,098.31

Finding the Fourth Proportional to 342,124,688.39, 472,135,578.50 and 185,492,098.31

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Solution

The fourth proportional to 342,124,688.39, 472,135,578.50 and 185,492,098.31 is: 255,980,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,124,688.39 : 472,135,578.50 = 185,492,098.31 : x
  2. Step 2: Convert to fraction form
    342,124,688.39/472,135,578.50 = 185,492,098.31/x
  3. Step 3: Cross multiply
    342,124,688.39x = 472,135,578.50 × 185,492,098.31
  4. Step 4: Simplify right side
    342,124,688.39x = 87,577,419,140,873,776
  5. Step 5: Solve for x
    x = 87,577,419,140,873,776/342,124,688.39
  6. Step 6: Final answer
    x = 255,980,997.91

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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.