Home / 265,697,270.40-398,545,905.60-149,471,123.70

Finding the Fourth Proportional to 265,697,270.40, 398,545,905.60 and 149,471,123.70

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Solution

The fourth proportional to 265,697,270.40, 398,545,905.60 and 149,471,123.70 is: 224,206,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,697,270.40 : 398,545,905.60 = 149,471,123.70 : x
  2. Step 2: Convert to fraction form
    265,697,270.40/398,545,905.60 = 149,471,123.70/x
  3. Step 3: Cross multiply
    265,697,270.40x = 398,545,905.60 × 149,471,123.70
  4. Step 4: Simplify right side
    265,697,270.40x = 59,571,104,356,066,120
  5. Step 5: Solve for x
    x = 59,571,104,356,066,120/265,697,270.40
  6. Step 6: Final answer
    x = 224,206,685.55

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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.