Home / 143,584,008.20-215,376,012.30-52,677,384.20

Finding the Fourth Proportional to 143,584,008.20, 215,376,012.30 and 52,677,384.20

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Solution

The fourth proportional to 143,584,008.20, 215,376,012.30 and 52,677,384.20 is: 79,016,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,584,008.20 : 215,376,012.30 = 52,677,384.20 : x
  2. Step 2: Convert to fraction form
    143,584,008.20/215,376,012.30 = 52,677,384.20/x
  3. Step 3: Cross multiply
    143,584,008.20x = 215,376,012.30 × 52,677,384.20
  4. Step 4: Simplify right side
    143,584,008.20x = 11,345,444,947,391,026
  5. Step 5: Solve for x
    x = 11,345,444,947,391,026/143,584,008.20
  6. Step 6: Final answer
    x = 79,016,076.30

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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.