Home / 372,334,155.04-513,844,469.58-205,070,383

Finding the Fourth Proportional to 372,334,155.04, 513,844,469.58 and 205,070,383

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Solution

The fourth proportional to 372,334,155.04, 513,844,469.58 and 205,070,383 is: 283,009,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,334,155.04 : 513,844,469.58 = 205,070,383 : x
  2. Step 2: Convert to fraction form
    372,334,155.04/513,844,469.58 = 205,070,383/x
  3. Step 3: Cross multiply
    372,334,155.04x = 513,844,469.58 × 205,070,383
  4. Step 4: Simplify right side
    372,334,155.04x = 105,374,282,179,202,448
  5. Step 5: Solve for x
    x = 105,374,282,179,202,448/372,334,155.04
  6. Step 6: Final answer
    x = 283,009,981.10

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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.