Home / 101,115,240.98-139,539,062.48-57,071,569.88

Finding the Fourth Proportional to 101,115,240.98, 139,539,062.48 and 57,071,569.88

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Solution

The fourth proportional to 101,115,240.98, 139,539,062.48 and 57,071,569.88 is: 78,758,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,115,240.98 : 139,539,062.48 = 57,071,569.88 : x
  2. Step 2: Convert to fraction form
    101,115,240.98/139,539,062.48 = 57,071,569.88/x
  3. Step 3: Cross multiply
    101,115,240.98x = 139,539,062.48 × 57,071,569.88
  4. Step 4: Simplify right side
    101,115,240.98x = 7,963,713,355,380,496
  5. Step 5: Solve for x
    x = 7,963,713,355,380,496/101,115,240.98
  6. Step 6: Final answer
    x = 78,758,783.33

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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.