Home / 100,171,037.04-138,235,722.93-55,519,856.34

Finding the Fourth Proportional to 100,171,037.04, 138,235,722.93 and 55,519,856.34

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Solution

The fourth proportional to 100,171,037.04, 138,235,722.93 and 55,519,856.34 is: 76,617,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,171,037.04 : 138,235,722.93 = 55,519,856.34 : x
  2. Step 2: Convert to fraction form
    100,171,037.04/138,235,722.93 = 55,519,856.34/x
  3. Step 3: Cross multiply
    100,171,037.04x = 138,235,722.93 × 55,519,856.34
  4. Step 4: Simplify right side
    100,171,037.04x = 7,674,827,478,129,645
  5. Step 5: Solve for x
    x = 7,674,827,478,129,645/100,171,037.04
  6. Step 6: Final answer
    x = 76,617,230.94

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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.