Home / 145,102,768.48-200,240,426.46-79,024,370.19

Finding the Fourth Proportional to 145,102,768.48, 200,240,426.46 and 79,024,370.19

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Solution

The fourth proportional to 145,102,768.48, 200,240,426.46 and 79,024,370.19 is: 109,052,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,102,768.48 : 200,240,426.46 = 79,024,370.19 : x
  2. Step 2: Convert to fraction form
    145,102,768.48/200,240,426.46 = 79,024,370.19/x
  3. Step 3: Cross multiply
    145,102,768.48x = 200,240,426.46 × 79,024,370.19
  4. Step 4: Simplify right side
    145,102,768.48x = 15,823,873,587,578,512
  5. Step 5: Solve for x
    x = 15,823,873,587,578,512/145,102,768.48
  6. Step 6: Final answer
    x = 109,052,871.65

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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.