Home / 103,578,945.06-142,928,767.58-57,166,209.66

Finding the Fourth Proportional to 103,578,945.06, 142,928,767.58 and 57,166,209.66

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Solution

The fourth proportional to 103,578,945.06, 142,928,767.58 and 57,166,209.66 is: 78,883,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,578,945.06 : 142,928,767.58 = 57,166,209.66 : x
  2. Step 2: Convert to fraction form
    103,578,945.06/142,928,767.58 = 57,166,209.66/x
  3. Step 3: Cross multiply
    103,578,945.06x = 142,928,767.58 × 57,166,209.66
  4. Step 4: Simplify right side
    103,578,945.06x = 8,170,695,893,923,691
  5. Step 5: Solve for x
    x = 8,170,695,893,923,691/103,578,945.06
  6. Step 6: Final answer
    x = 78,883,752.77

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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.