Home / 155,232,021.60-217,643,335.20-155,232,021.60

Finding the Fourth Proportional to 155,232,021.60, 217,643,335.20 and 155,232,021.60

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Solution

The fourth proportional to 155,232,021.60, 217,643,335.20 and 155,232,021.60 is: 217,643,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,232,021.60 : 217,643,335.20 = 155,232,021.60 : x
  2. Step 2: Convert to fraction form
    155,232,021.60/217,643,335.20 = 155,232,021.60/x
  3. Step 3: Cross multiply
    155,232,021.60x = 217,643,335.20 × 155,232,021.60
  4. Step 4: Simplify right side
    155,232,021.60x = 33,785,214,910,862,436
  5. Step 5: Solve for x
    x = 33,785,214,910,862,436/155,232,021.60
  6. Step 6: Final answer
    x = 217,643,335.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.