Home / 272,878,189.80-409,317,284.70-100,319,297.10

Finding the Fourth Proportional to 272,878,189.80, 409,317,284.70 and 100,319,297.10

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Solution

The fourth proportional to 272,878,189.80, 409,317,284.70 and 100,319,297.10 is: 150,478,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,878,189.80 : 409,317,284.70 = 100,319,297.10 : x
  2. Step 2: Convert to fraction form
    272,878,189.80/409,317,284.70 = 100,319,297.10/x
  3. Step 3: Cross multiply
    272,878,189.80x = 409,317,284.70 × 100,319,297.10
  4. Step 4: Simplify right side
    272,878,189.80x = 41,062,422,291,984,584
  5. Step 5: Solve for x
    x = 41,062,422,291,984,584/272,878,189.80
  6. Step 6: Final answer
    x = 150,478,945.65

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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.