Home / 112,583,644.39-168,984,401.57-54,332,328.79

Finding the Fourth Proportional to 112,583,644.39, 168,984,401.57 and 54,332,328.79

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Solution

The fourth proportional to 112,583,644.39, 168,984,401.57 and 54,332,328.79 is: 81,551,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,583,644.39 : 168,984,401.57 = 54,332,328.79 : x
  2. Step 2: Convert to fraction form
    112,583,644.39/168,984,401.57 = 54,332,328.79/x
  3. Step 3: Cross multiply
    112,583,644.39x = 168,984,401.57 × 54,332,328.79
  4. Step 4: Simplify right side
    112,583,644.39x = 9,181,316,066,482,632
  5. Step 5: Solve for x
    x = 9,181,316,066,482,632/112,583,644.39
  6. Step 6: Final answer
    x = 81,551,064.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.