Home / 309,416,062.88-464,176,971.12-127,563,831.20

Finding the Fourth Proportional to 309,416,062.88, 464,176,971.12 and 127,563,831.20

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Solution

The fourth proportional to 309,416,062.88, 464,176,971.12 and 127,563,831.20 is: 191,367,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,416,062.88 : 464,176,971.12 = 127,563,831.20 : x
  2. Step 2: Convert to fraction form
    309,416,062.88/464,176,971.12 = 127,563,831.20/x
  3. Step 3: Cross multiply
    309,416,062.88x = 464,176,971.12 × 127,563,831.20
  4. Step 4: Simplify right side
    309,416,062.88x = 59,212,192,790,878,960
  5. Step 5: Solve for x
    x = 59,212,192,790,878,960/309,416,062.88
  6. Step 6: Final answer
    x = 191,367,546.47

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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.