Home / 47,293,652.80-70,940,479.20-39,640,902.40

Finding the Fourth Proportional to 47,293,652.80, 70,940,479.20 and 39,640,902.40

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Solution

The fourth proportional to 47,293,652.80, 70,940,479.20 and 39,640,902.40 is: 59,461,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293,652.80 : 70,940,479.20 = 39,640,902.40 : x
  2. Step 2: Convert to fraction form
    47,293,652.80/70,940,479.20 = 39,640,902.40/x
  3. Step 3: Cross multiply
    47,293,652.80x = 70,940,479.20 × 39,640,902.40
  4. Step 4: Simplify right side
    47,293,652.80x = 2,812,144,612,176,430
  5. Step 5: Solve for x
    x = 2,812,144,612,176,430/47,293,652.80
  6. Step 6: Final answer
    x = 59,461,353.60

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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.