Home / 118,894,506.70-178,341,760.05-54,324,425.20

Finding the Fourth Proportional to 118,894,506.70, 178,341,760.05 and 54,324,425.20

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Solution

The fourth proportional to 118,894,506.70, 178,341,760.05 and 54,324,425.20 is: 81,486,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894,506.70 : 178,341,760.05 = 54,324,425.20 : x
  2. Step 2: Convert to fraction form
    118,894,506.70/178,341,760.05 = 54,324,425.20/x
  3. Step 3: Cross multiply
    118,894,506.70x = 178,341,760.05 × 54,324,425.20
  4. Step 4: Simplify right side
    118,894,506.70x = 9,688,313,603,872,574
  5. Step 5: Solve for x
    x = 9,688,313,603,872,574/118,894,506.70
  6. Step 6: Final answer
    x = 81,486,637.80

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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.