Home / 284,813,851.48-427,285,206.29-90,736,322.20

Finding the Fourth Proportional to 284,813,851.48, 427,285,206.29 and 90,736,322.20

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Solution

The fourth proportional to 284,813,851.48, 427,285,206.29 and 90,736,322.20 is: 136,125,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,813,851.48 : 427,285,206.29 = 90,736,322.20 : x
  2. Step 2: Convert to fraction form
    284,813,851.48/427,285,206.29 = 90,736,322.20/x
  3. Step 3: Cross multiply
    284,813,851.48x = 427,285,206.29 × 90,736,322.20
  4. Step 4: Simplify right side
    284,813,851.48x = 38,770,288,149,222,912
  5. Step 5: Solve for x
    x = 38,770,288,149,222,912/284,813,851.48
  6. Step 6: Final answer
    x = 136,125,009.19

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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.