Home / 105,510,143.72-145,604,853.24-58,468,002.97

Finding the Fourth Proportional to 105,510,143.72, 145,604,853.24 and 58,468,002.97

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Solution

The fourth proportional to 105,510,143.72, 145,604,853.24 and 58,468,002.97 is: 80,686,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,510,143.72 : 145,604,853.24 = 58,468,002.97 : x
  2. Step 2: Convert to fraction form
    105,510,143.72/145,604,853.24 = 58,468,002.97/x
  3. Step 3: Cross multiply
    105,510,143.72x = 145,604,853.24 × 58,468,002.97
  4. Step 4: Simplify right side
    105,510,143.72x = 8,513,224,991,682,735
  5. Step 5: Solve for x
    x = 8,513,224,991,682,735/105,510,143.72
  6. Step 6: Final answer
    x = 80,686,317.84

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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.