Home / 297,108,201.40-445,662,302.10-143,769,758.20

Finding the Fourth Proportional to 297,108,201.40, 445,662,302.10 and 143,769,758.20

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Solution

The fourth proportional to 297,108,201.40, 445,662,302.10 and 143,769,758.20 is: 215,654,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,108,201.40 : 445,662,302.10 = 143,769,758.20 : x
  2. Step 2: Convert to fraction form
    297,108,201.40/445,662,302.10 = 143,769,758.20/x
  3. Step 3: Cross multiply
    297,108,201.40x = 445,662,302.10 × 143,769,758.20
  4. Step 4: Simplify right side
    297,108,201.40x = 64,072,761,411,772,352
  5. Step 5: Solve for x
    x = 64,072,761,411,772,352/297,108,201.40
  6. Step 6: Final answer
    x = 215,654,637.30

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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.