Home / 172,488,203.40-258,732,305.10-111,266,200.20

Finding the Fourth Proportional to 172,488,203.40, 258,732,305.10 and 111,266,200.20

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Solution

The fourth proportional to 172,488,203.40, 258,732,305.10 and 111,266,200.20 is: 166,899,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488,203.40 : 258,732,305.10 = 111,266,200.20 : x
  2. Step 2: Convert to fraction form
    172,488,203.40/258,732,305.10 = 111,266,200.20/x
  3. Step 3: Cross multiply
    172,488,203.40x = 258,732,305.10 × 111,266,200.20
  4. Step 4: Simplify right side
    172,488,203.40x = 28,788,160,457,464,080
  5. Step 5: Solve for x
    x = 28,788,160,457,464,080/172,488,203.40
  6. Step 6: Final answer
    x = 166,899,300.30

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1.5x scale

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.