Home / 55,130,811.60-82,696,217.40-40,781,904.60

Finding the Fourth Proportional to 55,130,811.60, 82,696,217.40 and 40,781,904.60

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Solution

The fourth proportional to 55,130,811.60, 82,696,217.40 and 40,781,904.60 is: 61,172,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130,811.60 : 82,696,217.40 = 40,781,904.60 : x
  2. Step 2: Convert to fraction form
    55,130,811.60/82,696,217.40 = 40,781,904.60/x
  3. Step 3: Cross multiply
    55,130,811.60x = 82,696,217.40 × 40,781,904.60
  4. Step 4: Simplify right side
    55,130,811.60x = 3,372,509,248,787,660.50
  5. Step 5: Solve for x
    x = 3,372,509,248,787,660.50/55,130,811.60
  6. Step 6: Final answer
    x = 61,172,856.90

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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.