Home / 245,284,195.59-338,490,634.95-139,437,616.50

Finding the Fourth Proportional to 245,284,195.59, 338,490,634.95 and 139,437,616.50

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Solution

The fourth proportional to 245,284,195.59, 338,490,634.95 and 139,437,616.50 is: 192,423,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,284,195.59 : 338,490,634.95 = 139,437,616.50 : x
  2. Step 2: Convert to fraction form
    245,284,195.59/338,490,634.95 = 139,437,616.50/x
  3. Step 3: Cross multiply
    245,284,195.59x = 338,490,634.95 × 139,437,616.50
  4. Step 4: Simplify right side
    245,284,195.59x = 47,198,327,344,999,592
  5. Step 5: Solve for x
    x = 47,198,327,344,999,592/245,284,195.59
  6. Step 6: Final answer
    x = 192,423,026.81

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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.