Home / 152,632,168-210,613,274.32-103,180,139.60

Finding the Fourth Proportional to 152,632,168, 210,613,274.32 and 103,180,139.60

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Solution

The fourth proportional to 152,632,168, 210,613,274.32 and 103,180,139.60 is: 142,375,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,632,168 : 210,613,274.32 = 103,180,139.60 : x
  2. Step 2: Convert to fraction form
    152,632,168/210,613,274.32 = 103,180,139.60/x
  3. Step 3: Cross multiply
    152,632,168x = 210,613,274.32 × 103,180,139.60
  4. Step 4: Simplify right side
    152,632,168x = 21,731,107,045,950,692
  5. Step 5: Solve for x
    x = 21,731,107,045,950,692/152,632,168
  6. Step 6: Final answer
    x = 142,375,669.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.