Home / 310,571,671.77-428,585,951.39-171,343,558.17

Finding the Fourth Proportional to 310,571,671.77, 428,585,951.39 and 171,343,558.17

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Solution

The fourth proportional to 310,571,671.77, 428,585,951.39 and 171,343,558.17 is: 236,452,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,571,671.77 : 428,585,951.39 = 171,343,558.17 : x
  2. Step 2: Convert to fraction form
    310,571,671.77/428,585,951.39 = 171,343,558.17/x
  3. Step 3: Cross multiply
    310,571,671.77x = 428,585,951.39 × 171,343,558.17
  4. Step 4: Simplify right side
    310,571,671.77x = 73,435,441,891,980,528
  5. Step 5: Solve for x
    x = 73,435,441,891,980,528/310,571,671.77
  6. Step 6: Final answer
    x = 236,452,479.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.