Home / 341,873,321.60-512,809,982.40-99,544,131.20

Finding the Fourth Proportional to 341,873,321.60, 512,809,982.40 and 99,544,131.20

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Solution

The fourth proportional to 341,873,321.60, 512,809,982.40 and 99,544,131.20 is: 149,316,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,873,321.60 : 512,809,982.40 = 99,544,131.20 : x
  2. Step 2: Convert to fraction form
    341,873,321.60/512,809,982.40 = 99,544,131.20/x
  3. Step 3: Cross multiply
    341,873,321.60x = 512,809,982.40 × 99,544,131.20
  4. Step 4: Simplify right side
    341,873,321.60x = 51,047,224,168,695,288
  5. Step 5: Solve for x
    x = 51,047,224,168,695,288/341,873,321.60
  6. Step 6: Final answer
    x = 149,316,196.80

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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.