Home / 134,043,940-184,995,650.96-81,149,802.40

Finding the Fourth Proportional to 134,043,940, 184,995,650.96 and 81,149,802.40

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Solution

The fourth proportional to 134,043,940, 184,995,650.96 and 81,149,802.40 is: 111,995,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,043,940 : 184,995,650.96 = 81,149,802.40 : x
  2. Step 2: Convert to fraction form
    134,043,940/184,995,650.96 = 81,149,802.40/x
  3. Step 3: Cross multiply
    134,043,940x = 184,995,650.96 × 81,149,802.40
  4. Step 4: Simplify right side
    134,043,940x = 15,012,360,520,263,372
  5. Step 5: Solve for x
    x = 15,012,360,520,263,372/134,043,940
  6. Step 6: Final answer
    x = 111,995,816.60

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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.