Home / 165,266,332.58-247,929,760.47-68,169,070.82

Finding the Fourth Proportional to 165,266,332.58, 247,929,760.47 and 68,169,070.82

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Solution

The fourth proportional to 165,266,332.58, 247,929,760.47 and 68,169,070.82 is: 102,266,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,266,332.58 : 247,929,760.47 = 68,169,070.82 : x
  2. Step 2: Convert to fraction form
    165,266,332.58/247,929,760.47 = 68,169,070.82/x
  3. Step 3: Cross multiply
    165,266,332.58x = 247,929,760.47 × 68,169,070.82
  4. Step 4: Simplify right side
    165,266,332.58x = 16,901,141,399,865,064
  5. Step 5: Solve for x
    x = 16,901,141,399,865,064/165,266,332.58
  6. Step 6: Final answer
    x = 102,266,088.54

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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.