Home / 306,465,862.38-422,931,822.21-167,245,592.10

Finding the Fourth Proportional to 306,465,862.38, 422,931,822.21 and 167,245,592.10

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Solution

The fourth proportional to 306,465,862.38, 422,931,822.21 and 167,245,592.10 is: 230,803,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,862.38 : 422,931,822.21 = 167,245,592.10 : x
  2. Step 2: Convert to fraction form
    306,465,862.38/422,931,822.21 = 167,245,592.10/x
  3. Step 3: Cross multiply
    306,465,862.38x = 422,931,822.21 × 167,245,592.10
  4. Step 4: Simplify right side
    306,465,862.38x = 70,733,483,023,443,376
  5. Step 5: Solve for x
    x = 70,733,483,023,443,376/306,465,862.38
  6. Step 6: Final answer
    x = 230,803,791.57

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1.5x scale

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.