Home / 85,833,601.86-118,453,485.45-49,171,258.74

Finding the Fourth Proportional to 85,833,601.86, 118,453,485.45 and 49,171,258.74

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Solution

The fourth proportional to 85,833,601.86, 118,453,485.45 and 49,171,258.74 is: 67,858,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833,601.86 : 118,453,485.45 = 49,171,258.74 : x
  2. Step 2: Convert to fraction form
    85,833,601.86/118,453,485.45 = 49,171,258.74/x
  3. Step 3: Cross multiply
    85,833,601.86x = 118,453,485.45 × 49,171,258.74
  4. Step 4: Simplify right side
    85,833,601.86x = 5,824,506,981,716,776
  5. Step 5: Solve for x
    x = 5,824,506,981,716,776/85,833,601.86
  6. Step 6: Final answer
    x = 67,858,121.48

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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.