Home / 151,351,190.24-208,864,634.52-81,736,564.40

Finding the Fourth Proportional to 151,351,190.24, 208,864,634.52 and 81,736,564.40

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Solution

The fourth proportional to 151,351,190.24, 208,864,634.52 and 81,736,564.40 is: 112,796,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351,190.24 : 208,864,634.52 = 81,736,564.40 : x
  2. Step 2: Convert to fraction form
    151,351,190.24/208,864,634.52 = 81,736,564.40/x
  3. Step 3: Cross multiply
    151,351,190.24x = 208,864,634.52 × 81,736,564.40
  4. Step 4: Simplify right side
    151,351,190.24x = 17,071,877,650,326,446
  5. Step 5: Solve for x
    x = 17,071,877,650,326,446/151,351,190.24
  6. Step 6: Final answer
    x = 112,796,454.55

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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.