Home / 118,819,217.70-178,308,542.70-70,245,510.30

Finding the Fourth Proportional to 118,819,217.70, 178,308,542.70 and 70,245,510.30

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Solution

The fourth proportional to 118,819,217.70, 178,308,542.70 and 70,245,510.30 is: 105,415,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,819,217.70 : 178,308,542.70 = 70,245,510.30 : x
  2. Step 2: Convert to fraction form
    118,819,217.70/178,308,542.70 = 70,245,510.30/x
  3. Step 3: Cross multiply
    118,819,217.70x = 178,308,542.70 × 70,245,510.30
  4. Step 4: Simplify right side
    118,819,217.70x = 12,525,374,572,810,838
  5. Step 5: Solve for x
    x = 12,525,374,572,810,838/118,819,217.70
  6. Step 6: Final answer
    x = 105,415,393.36

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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.