Home / 219,159,392.80-328,739,089.20-135,935,732.20

Finding the Fourth Proportional to 219,159,392.80, 328,739,089.20 and 135,935,732.20

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Solution

The fourth proportional to 219,159,392.80, 328,739,089.20 and 135,935,732.20 is: 203,903,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,159,392.80 : 328,739,089.20 = 135,935,732.20 : x
  2. Step 2: Convert to fraction form
    219,159,392.80/328,739,089.20 = 135,935,732.20/x
  3. Step 3: Cross multiply
    219,159,392.80x = 328,739,089.20 × 135,935,732.20
  4. Step 4: Simplify right side
    219,159,392.80x = 44,687,388,793,163,104
  5. Step 5: Solve for x
    x = 44,687,388,793,163,104/219,159,392.80
  6. Step 6: Final answer
    x = 203,903,598.30

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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.