Home / 105,220,226.15-145,198,054.98-58,174,579.74

Finding the Fourth Proportional to 105,220,226.15, 145,198,054.98 and 58,174,579.74

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Solution

The fourth proportional to 105,220,226.15, 145,198,054.98 and 58,174,579.74 is: 80,277,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,220,226.15 : 145,198,054.98 = 58,174,579.74 : x
  2. Step 2: Convert to fraction form
    105,220,226.15/145,198,054.98 = 58,174,579.74/x
  3. Step 3: Cross multiply
    105,220,226.15x = 145,198,054.98 × 58,174,579.74
  4. Step 4: Simplify right side
    105,220,226.15x = 8,446,835,827,526,914
  5. Step 5: Solve for x
    x = 8,446,835,827,526,914/105,220,226.15
  6. Step 6: Final answer
    x = 80,277,681.74

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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.