Home / 78,766,612.23-118,168,476.41-26,951,779.02

Finding the Fourth Proportional to 78,766,612.23, 118,168,476.41 and 26,951,779.02

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Solution

The fourth proportional to 78,766,612.23, 118,168,476.41 and 26,951,779.02 is: 40,434,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,766,612.23 : 118,168,476.41 = 26,951,779.02 : x
  2. Step 2: Convert to fraction form
    78,766,612.23/118,168,476.41 = 26,951,779.02/x
  3. Step 3: Cross multiply
    78,766,612.23x = 118,168,476.41 × 26,951,779.02
  4. Step 4: Simplify right side
    78,766,612.23x = 3,184,850,663,332,403
  5. Step 5: Solve for x
    x = 3,184,850,663,332,403/78,766,612.23
  6. Step 6: Final answer
    x = 40,434,018.59

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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.