Home / 245,442,355.20-338,670,996.48-139,584,591.36

Finding the Fourth Proportional to 245,442,355.20, 338,670,996.48 and 139,584,591.36

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Solution

The fourth proportional to 245,442,355.20, 338,670,996.48 and 139,584,591.36 is: 192,604,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,442,355.20 : 338,670,996.48 = 139,584,591.36 : x
  2. Step 2: Convert to fraction form
    245,442,355.20/338,670,996.48 = 139,584,591.36/x
  3. Step 3: Cross multiply
    245,442,355.20x = 338,670,996.48 × 139,584,591.36
  4. Step 4: Simplify right side
    245,442,355.20x = 47,273,252,649,144,808
  5. Step 5: Solve for x
    x = 47,273,252,649,144,808/245,442,355.20
  6. Step 6: Final answer
    x = 192,604,298.51

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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.