Home / 85,680,236.92-118,235,410.72-46,521,117.40

Finding the Fourth Proportional to 85,680,236.92, 118,235,410.72 and 46,521,117.40

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Solution

The fourth proportional to 85,680,236.92, 118,235,410.72 and 46,521,117.40 is: 64,197,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,680,236.92 : 118,235,410.72 = 46,521,117.40 : x
  2. Step 2: Convert to fraction form
    85,680,236.92/118,235,410.72 = 46,521,117.40/x
  3. Step 3: Cross multiply
    85,680,236.92x = 118,235,410.72 × 46,521,117.40
  4. Step 4: Simplify right side
    85,680,236.92x = 5,500,443,422,942,338
  5. Step 5: Solve for x
    x = 5,500,443,422,942,338/85,680,236.92
  6. Step 6: Final answer
    x = 64,197,341.43

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Double scale
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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.