Home / 70,214,873.76-105,284,440.56-31,855,456.80

Finding the Fourth Proportional to 70,214,873.76, 105,284,440.56 and 31,855,456.80

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Solution

The fourth proportional to 70,214,873.76, 105,284,440.56 and 31,855,456.80 is: 47,766,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,214,873.76 : 105,284,440.56 = 31,855,456.80 : x
  2. Step 2: Convert to fraction form
    70,214,873.76/105,284,440.56 = 31,855,456.80/x
  3. Step 3: Cross multiply
    70,214,873.76x = 105,284,440.56 × 31,855,456.80
  4. Step 4: Simplify right side
    70,214,873.76x = 3,353,883,947,971,248
  5. Step 5: Solve for x
    x = 3,353,883,947,971,248/70,214,873.76
  6. Step 6: Final answer
    x = 47,766,004.10

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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.