Home / 134,043,941-184,995,652.34-81,149,803.40

Finding the Fourth Proportional to 134,043,941, 184,995,652.34 and 81,149,803.40

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Solution

The fourth proportional to 134,043,941, 184,995,652.34 and 81,149,803.40 is: 111,995,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,043,941 : 184,995,652.34 = 81,149,803.40 : x
  2. Step 2: Convert to fraction form
    134,043,941/184,995,652.34 = 81,149,803.40/x
  3. Step 3: Cross multiply
    134,043,941x = 184,995,652.34 × 81,149,803.40
  4. Step 4: Simplify right side
    134,043,941x = 15,012,360,817,245,752
  5. Step 5: Solve for x
    x = 15,012,360,817,245,752/134,043,941
  6. Step 6: Final answer
    x = 111,995,817.98

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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.