Home / 302,957,700.05-454,398,937.86-81,646,353.58

Finding the Fourth Proportional to 302,957,700.05, 454,398,937.86 and 81,646,353.58

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Solution

The fourth proportional to 302,957,700.05, 454,398,937.86 and 81,646,353.58 is: 122,459,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,957,700.05 : 454,398,937.86 = 81,646,353.58 : x
  2. Step 2: Convert to fraction form
    302,957,700.05/454,398,937.86 = 81,646,353.58/x
  3. Step 3: Cross multiply
    302,957,700.05x = 454,398,937.86 × 81,646,353.58
  4. Step 4: Simplify right side
    302,957,700.05x = 37,100,016,344,458,632
  5. Step 5: Solve for x
    x = 37,100,016,344,458,632/302,957,700.05
  6. Step 6: Final answer
    x = 122,459,393.96

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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.