Home / 69,068,730.24-95,315,620.32-38,128,916.16

Finding the Fourth Proportional to 69,068,730.24, 95,315,620.32 and 38,128,916.16

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Solution

The fourth proportional to 69,068,730.24, 95,315,620.32 and 38,128,916.16 is: 52,618,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068,730.24 : 95,315,620.32 = 38,128,916.16 : x
  2. Step 2: Convert to fraction form
    69,068,730.24/95,315,620.32 = 38,128,916.16/x
  3. Step 3: Cross multiply
    69,068,730.24x = 95,315,620.32 × 38,128,916.16
  4. Step 4: Simplify right side
    69,068,730.24x = 3,634,281,295,919,672
  5. Step 5: Solve for x
    x = 3,634,281,295,919,672/69,068,730.24
  6. Step 6: Final answer
    x = 52,618,330.80

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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.