Home / 210,104,666.94-315,168,494.57-87,295,401.43

Finding the Fourth Proportional to 210,104,666.94, 315,168,494.57 and 87,295,401.43

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Solution

The fourth proportional to 210,104,666.94, 315,168,494.57 and 87,295,401.43 is: 130,947,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,104,666.94 : 315,168,494.57 = 87,295,401.43 : x
  2. Step 2: Convert to fraction form
    210,104,666.94/315,168,494.57 = 87,295,401.43/x
  3. Step 3: Cross multiply
    210,104,666.94x = 315,168,494.57 × 87,295,401.43
  4. Step 4: Simplify right side
    210,104,666.94x = 27,512,760,251,576,928
  5. Step 5: Solve for x
    x = 27,512,760,251,576,928/210,104,666.94
  6. Step 6: Final answer
    x = 130,947,877.80

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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.