Home / 105,527,909.72-145,628,529.21-58,488,020.16

Finding the Fourth Proportional to 105,527,909.72, 145,628,529.21 and 58,488,020.16

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Solution

The fourth proportional to 105,527,909.72, 145,628,529.21 and 58,488,020.16 is: 80,713,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,909.72 : 145,628,529.21 = 58,488,020.16 : x
  2. Step 2: Convert to fraction form
    105,527,909.72/145,628,529.21 = 58,488,020.16/x
  3. Step 3: Cross multiply
    105,527,909.72x = 145,628,529.21 × 58,488,020.16
  4. Step 4: Simplify right side
    105,527,909.72x = 8,517,524,352,305,629
  5. Step 5: Solve for x
    x = 8,517,524,352,305,629/105,527,909.72
  6. Step 6: Final answer
    x = 80,713,475.47

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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.