Home / 315,258,633.39-472,933,079.52-96,927,305.55

Finding the Fourth Proportional to 315,258,633.39, 472,933,079.52 and 96,927,305.55

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Solution

The fourth proportional to 315,258,633.39, 472,933,079.52 and 96,927,305.55 is: 145,404,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,258,633.39 : 472,933,079.52 = 96,927,305.55 : x
  2. Step 2: Convert to fraction form
    315,258,633.39/472,933,079.52 = 96,927,305.55/x
  3. Step 3: Cross multiply
    315,258,633.39x = 472,933,079.52 × 96,927,305.55
  4. Step 4: Simplify right side
    315,258,633.39x = 45,840,129,104,136,480
  5. Step 5: Solve for x
    x = 45,840,129,104,136,480/315,258,633.39
  6. Step 6: Final answer
    x = 145,404,833.52

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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.