Home / 197,612,473.15-272,615,789.13-119,270,983.87

Finding the Fourth Proportional to 197,612,473.15, 272,615,789.13 and 119,270,983.87

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Solution

The fourth proportional to 197,612,473.15, 272,615,789.13 and 119,270,983.87 is: 164,539,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,612,473.15 : 272,615,789.13 = 119,270,983.87 : x
  2. Step 2: Convert to fraction form
    197,612,473.15/272,615,789.13 = 119,270,983.87/x
  3. Step 3: Cross multiply
    197,612,473.15x = 272,615,789.13 × 119,270,983.87
  4. Step 4: Simplify right side
    197,612,473.15x = 32,515,153,388,031,552
  5. Step 5: Solve for x
    x = 32,515,153,388,031,552/197,612,473.15
  6. Step 6: Final answer
    x = 164,539,985.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.