Home / 149,327,246.40-223,990,869.60-47,122,612.80

Finding the Fourth Proportional to 149,327,246.40, 223,990,869.60 and 47,122,612.80

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Solution

The fourth proportional to 149,327,246.40, 223,990,869.60 and 47,122,612.80 is: 70,683,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,327,246.40 : 223,990,869.60 = 47,122,612.80 : x
  2. Step 2: Convert to fraction form
    149,327,246.40/223,990,869.60 = 47,122,612.80/x
  3. Step 3: Cross multiply
    149,327,246.40x = 223,990,869.60 × 47,122,612.80
  4. Step 4: Simplify right side
    149,327,246.40x = 10,555,035,018,896,090
  5. Step 5: Solve for x
    x = 10,555,035,018,896,090/149,327,246.40
  6. Step 6: Final answer
    x = 70,683,919.20

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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.