Home / 284,533,875.20-426,756,115.20-90,419,709.44

Finding the Fourth Proportional to 284,533,875.20, 426,756,115.20 and 90,419,709.44

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Solution

The fourth proportional to 284,533,875.20, 426,756,115.20 and 90,419,709.44 is: 135,615,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,533,875.20 : 426,756,115.20 = 90,419,709.44 : x
  2. Step 2: Convert to fraction form
    284,533,875.20/426,756,115.20 = 90,419,709.44/x
  3. Step 3: Cross multiply
    284,533,875.20x = 426,756,115.20 × 90,419,709.44
  4. Step 4: Simplify right side
    284,533,875.20x = 38,587,163,938,127,168
  5. Step 5: Solve for x
    x = 38,587,163,938,127,168/284,533,875.20
  6. Step 6: Final answer
    x = 135,615,360.07

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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.