Home / 265,697,159.40-398,545,739.10-149,471,012.70

Finding the Fourth Proportional to 265,697,159.40, 398,545,739.10 and 149,471,012.70

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Solution

The fourth proportional to 265,697,159.40, 398,545,739.10 and 149,471,012.70 is: 224,206,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,697,159.40 : 398,545,739.10 = 149,471,012.70 : x
  2. Step 2: Convert to fraction form
    265,697,159.40/398,545,739.10 = 149,471,012.70/x
  3. Step 3: Cross multiply
    265,697,159.40x = 398,545,739.10 × 149,471,012.70
  4. Step 4: Simplify right side
    265,697,159.40x = 59,571,035,230,546,984
  5. Step 5: Solve for x
    x = 59,571,035,230,546,984/265,697,159.40
  6. Step 6: Final answer
    x = 224,206,519.05

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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.