Home / 97,055,173.81-145,655,066.40-71,214,249.76

Finding the Fourth Proportional to 97,055,173.81, 145,655,066.40 and 71,214,249.76

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Solution

The fourth proportional to 97,055,173.81, 145,655,066.40 and 71,214,249.76 is: 106,874,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,055,173.81 : 145,655,066.40 = 71,214,249.76 : x
  2. Step 2: Convert to fraction form
    97,055,173.81/145,655,066.40 = 71,214,249.76/x
  3. Step 3: Cross multiply
    97,055,173.81x = 145,655,066.40 × 71,214,249.76
  4. Step 4: Simplify right side
    97,055,173.81x = 10,372,716,277,418,986
  5. Step 5: Solve for x
    x = 10,372,716,277,418,986/97,055,173.81
  6. Step 6: Final answer
    x = 106,874,428.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.