Home / 156,234,336.77-234,397,009.73-69,952,565.36

Finding the Fourth Proportional to 156,234,336.77, 234,397,009.73 and 69,952,565.36

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Solution

The fourth proportional to 156,234,336.77, 234,397,009.73 and 69,952,565.36 is: 104,949,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,234,336.77 : 234,397,009.73 = 69,952,565.36 : x
  2. Step 2: Convert to fraction form
    156,234,336.77/234,397,009.73 = 69,952,565.36/x
  3. Step 3: Cross multiply
    156,234,336.77x = 234,397,009.73 × 69,952,565.36
  4. Step 4: Simplify right side
    156,234,336.77x = 16,396,672,142,329,278
  5. Step 5: Solve for x
    x = 16,396,672,142,329,278/156,234,336.77
  6. Step 6: Final answer
    x = 104,949,222.31

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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.