Home / 340,774,128.80-511,161,193.20-136,448,842.40

Finding the Fourth Proportional to 340,774,128.80, 511,161,193.20 and 136,448,842.40

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Solution

The fourth proportional to 340,774,128.80, 511,161,193.20 and 136,448,842.40 is: 204,673,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,774,128.80 : 511,161,193.20 = 136,448,842.40 : x
  2. Step 2: Convert to fraction form
    340,774,128.80/511,161,193.20 = 136,448,842.40/x
  3. Step 3: Cross multiply
    340,774,128.80x = 511,161,193.20 × 136,448,842.40
  4. Step 4: Simplify right side
    340,774,128.80x = 69,747,353,091,942,752
  5. Step 5: Solve for x
    x = 69,747,353,091,942,752/340,774,128.80
  6. Step 6: Final answer
    x = 204,673,263.60

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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.