Home / 105,361,400.58-145,402,625.73-57,679,997.37

Finding the Fourth Proportional to 105,361,400.58, 145,402,625.73 and 57,679,997.37

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Solution

The fourth proportional to 105,361,400.58, 145,402,625.73 and 57,679,997.37 is: 79,600,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,361,400.58 : 145,402,625.73 = 57,679,997.37 : x
  2. Step 2: Convert to fraction form
    105,361,400.58/145,402,625.73 = 57,679,997.37/x
  3. Step 3: Cross multiply
    105,361,400.58x = 145,402,625.73 × 57,679,997.37
  4. Step 4: Simplify right side
    105,361,400.58x = 8,386,823,069,697,493
  5. Step 5: Solve for x
    x = 8,386,823,069,697,493/105,361,400.58
  6. Step 6: Final answer
    x = 79,600,527.55

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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.