Home / 150,005,902,308.27-207,008,298,390.09-81,417,329,565.61

Finding the Fourth Proportional to 150,005,902,308.27, 207,008,298,390.09 and 81,417,329,565.61

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Solution

The fourth proportional to 150,005,902,308.27, 207,008,298,390.09 and 81,417,329,565.61 is: 112,355,997,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,005,902,308.27 : 207,008,298,390.09 = 81,417,329,565.61 : x
  2. Step 2: Convert to fraction form
    150,005,902,308.27/207,008,298,390.09 = 81,417,329,565.61/x
  3. Step 3: Cross multiply
    150,005,902,308.27x = 207,008,298,390.09 × 81,417,329,565.61
  4. Step 4: Simplify right side
    150,005,902,308.27x = 16,854,062,852,841,056,239,616
  5. Step 5: Solve for x
    x = 16,854,062,852,841,056,239,616/150,005,902,308.27
  6. Step 6: Final answer
    x = 112,355,997,954.03

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1.5x scale

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.