Home / 47,293,669.80-70,940,504.70-39,640,919.40

Finding the Fourth Proportional to 47,293,669.80, 70,940,504.70 and 39,640,919.40

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Solution

The fourth proportional to 47,293,669.80, 70,940,504.70 and 39,640,919.40 is: 59,461,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293,669.80 : 70,940,504.70 = 39,640,919.40 : x
  2. Step 2: Convert to fraction form
    47,293,669.80/70,940,504.70 = 39,640,919.40/x
  3. Step 3: Cross multiply
    47,293,669.80x = 70,940,504.70 × 39,640,919.40
  4. Step 4: Simplify right side
    47,293,669.80x = 2,812,146,829,008,021
  5. Step 5: Solve for x
    x = 2,812,146,829,008,021/47,293,669.80
  6. Step 6: Final answer
    x = 59,461,379.10

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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.