Home / 100,037,168.14-138,048,327.09-55,385,130.34

Finding the Fourth Proportional to 100,037,168.14, 138,048,327.09 and 55,385,130.34

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Solution

The fourth proportional to 100,037,168.14, 138,048,327.09 and 55,385,130.34 is: 76,429,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,037,168.14 : 138,048,327.09 = 55,385,130.34 : x
  2. Step 2: Convert to fraction form
    100,037,168.14/138,048,327.09 = 55,385,130.34/x
  3. Step 3: Cross multiply
    100,037,168.14x = 138,048,327.09 × 55,385,130.34
  4. Step 4: Simplify right side
    100,037,168.14x = 7,645,824,589,098,604
  5. Step 5: Solve for x
    x = 7,645,824,589,098,604/100,037,168.14
  6. Step 6: Final answer
    x = 76,429,838.34

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1.5x scale

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.