Home / 306,465,874.38-422,931,838.77-167,245,604.10

Finding the Fourth Proportional to 306,465,874.38, 422,931,838.77 and 167,245,604.10

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Solution

The fourth proportional to 306,465,874.38, 422,931,838.77 and 167,245,604.10 is: 230,803,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,874.38 : 422,931,838.77 = 167,245,604.10 : x
  2. Step 2: Convert to fraction form
    306,465,874.38/422,931,838.77 = 167,245,604.10/x
  3. Step 3: Cross multiply
    306,465,874.38x = 422,931,838.77 × 167,245,604.10
  4. Step 4: Simplify right side
    306,465,874.38x = 70,733,490,868,212,448
  5. Step 5: Solve for x
    x = 70,733,490,868,212,448/306,465,874.38
  6. Step 6: Final answer
    x = 230,803,808.13

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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.