Home / 265,767,218.70-398,650,828.05-122,439,986.70

Finding the Fourth Proportional to 265,767,218.70, 398,650,828.05 and 122,439,986.70

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Solution

The fourth proportional to 265,767,218.70, 398,650,828.05 and 122,439,986.70 is: 183,659,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,767,218.70 : 398,650,828.05 = 122,439,986.70 : x
  2. Step 2: Convert to fraction form
    265,767,218.70/398,650,828.05 = 122,439,986.70/x
  3. Step 3: Cross multiply
    265,767,218.70x = 398,650,828.05 × 122,439,986.70
  4. Step 4: Simplify right side
    265,767,218.70x = 48,810,802,084,385,992
  5. Step 5: Solve for x
    x = 48,810,802,084,385,992/265,767,218.70
  6. Step 6: Final answer
    x = 183,659,980.05

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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.