Home / 105,724,112.35-145,887,441.67-58,683,168.79

Finding the Fourth Proportional to 105,724,112.35, 145,887,441.67 and 58,683,168.79

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Solution

The fourth proportional to 105,724,112.35, 145,887,441.67 and 58,683,168.79 is: 80,976,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,724,112.35 : 145,887,441.67 = 58,683,168.79 : x
  2. Step 2: Convert to fraction form
    105,724,112.35/145,887,441.67 = 58,683,168.79/x
  3. Step 3: Cross multiply
    105,724,112.35x = 145,887,441.67 × 58,683,168.79
  4. Step 4: Simplify right side
    105,724,112.35x = 8,561,137,363,568,473
  5. Step 5: Solve for x
    x = 8,561,137,363,568,473/105,724,112.35
  6. Step 6: Final answer
    x = 80,976,204.70

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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.