Home / 105,492,469.57-145,577,681.19-58,449,371.45

Finding the Fourth Proportional to 105,492,469.57, 145,577,681.19 and 58,449,371.45

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Solution

The fourth proportional to 105,492,469.57, 145,577,681.19 and 58,449,371.45 is: 80,659,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,492,469.57 : 145,577,681.19 = 58,449,371.45 : x
  2. Step 2: Convert to fraction form
    105,492,469.57/145,577,681.19 = 58,449,371.45/x
  3. Step 3: Cross multiply
    105,492,469.57x = 145,577,681.19 × 58,449,371.45
  4. Step 4: Simplify right side
    105,492,469.57x = 8,508,923,962,703,988
  5. Step 5: Solve for x
    x = 8,508,923,962,703,988/105,492,469.57
  6. Step 6: Final answer
    x = 80,659,065.03

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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.