Home / 109,604,456.78-151,254,137.16-65,551,448.88

Finding the Fourth Proportional to 109,604,456.78, 151,254,137.16 and 65,551,448.88

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Solution

The fourth proportional to 109,604,456.78, 151,254,137.16 and 65,551,448.88 is: 90,460,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,604,456.78 : 151,254,137.16 = 65,551,448.88 : x
  2. Step 2: Convert to fraction form
    109,604,456.78/151,254,137.16 = 65,551,448.88/x
  3. Step 3: Cross multiply
    109,604,456.78x = 151,254,137.16 × 65,551,448.88
  4. Step 4: Simplify right side
    109,604,456.78x = 9,914,927,839,932,248
  5. Step 5: Solve for x
    x = 9,914,927,839,932,248/109,604,456.78
  6. Step 6: Final answer
    x = 90,460,991.57

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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.