Home / 142,037,201.70-213,055,802.55-137,785,673.70

Finding the Fourth Proportional to 142,037,201.70, 213,055,802.55 and 137,785,673.70

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Solution

The fourth proportional to 142,037,201.70, 213,055,802.55 and 137,785,673.70 is: 206,678,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,037,201.70 : 213,055,802.55 = 137,785,673.70 : x
  2. Step 2: Convert to fraction form
    142,037,201.70/213,055,802.55 = 137,785,673.70/x
  3. Step 3: Cross multiply
    142,037,201.70x = 213,055,802.55 × 137,785,673.70
  4. Step 4: Simplify right side
    142,037,201.70x = 29,356,037,290,045,928
  5. Step 5: Solve for x
    x = 29,356,037,290,045,928/142,037,201.70
  6. Step 6: Final answer
    x = 206,678,510.55

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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.