Home / 72,834,247.64-100,510,072.80-39,793,785.70

Finding the Fourth Proportional to 72,834,247.64, 100,510,072.80 and 39,793,785.70

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Solution

The fourth proportional to 72,834,247.64, 100,510,072.80 and 39,793,785.70 is: 54,914,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,247.64 : 100,510,072.80 = 39,793,785.70 : x
  2. Step 2: Convert to fraction form
    72,834,247.64/100,510,072.80 = 39,793,785.70/x
  3. Step 3: Cross multiply
    72,834,247.64x = 100,510,072.80 × 39,793,785.70
  4. Step 4: Simplify right side
    72,834,247.64x = 3,999,676,297,694,599
  5. Step 5: Solve for x
    x = 3,999,676,297,694,599/72,834,247.64
  6. Step 6: Final answer
    x = 54,914,774.67

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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.