Home / 134,043,937-184,995,646.82-81,149,799.40

Finding the Fourth Proportional to 134,043,937, 184,995,646.82 and 81,149,799.40

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Solution

The fourth proportional to 134,043,937, 184,995,646.82 and 81,149,799.40 is: 111,995,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,043,937 : 184,995,646.82 = 81,149,799.40 : x
  2. Step 2: Convert to fraction form
    134,043,937/184,995,646.82 = 81,149,799.40/x
  3. Step 3: Cross multiply
    134,043,937x = 184,995,646.82 × 81,149,799.40
  4. Step 4: Simplify right side
    134,043,937x = 15,012,359,629,316,248
  5. Step 5: Solve for x
    x = 15,012,359,629,316,248/134,043,937
  6. Step 6: Final answer
    x = 111,995,812.46

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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.