Home / 137,980,013.10-207,113,574.39-101,629,448.70

Finding the Fourth Proportional to 137,980,013.10, 207,113,574.39 and 101,629,448.70

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Solution

The fourth proportional to 137,980,013.10, 207,113,574.39 and 101,629,448.70 is: 152,549,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,980,013.10 : 207,113,574.39 = 101,629,448.70 : x
  2. Step 2: Convert to fraction form
    137,980,013.10/207,113,574.39 = 101,629,448.70/x
  3. Step 3: Cross multiply
    137,980,013.10x = 207,113,574.39 × 101,629,448.70
  4. Step 4: Simplify right side
    137,980,013.10x = 21,048,838,383,542,136
  5. Step 5: Solve for x
    x = 21,048,838,383,542,136/137,980,013.10
  6. Step 6: Final answer
    x = 152,549,908.57

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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.