Home / 79,268,051.70-118,902,077.55-45,255,827.70

Finding the Fourth Proportional to 79,268,051.70, 118,902,077.55 and 45,255,827.70

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Solution

The fourth proportional to 79,268,051.70, 118,902,077.55 and 45,255,827.70 is: 67,883,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268,051.70 : 118,902,077.55 = 45,255,827.70 : x
  2. Step 2: Convert to fraction form
    79,268,051.70/118,902,077.55 = 45,255,827.70/x
  3. Step 3: Cross multiply
    79,268,051.70x = 118,902,077.55 × 45,255,827.70
  4. Step 4: Simplify right side
    79,268,051.70x = 5,381,011,934,774,838
  5. Step 5: Solve for x
    x = 5,381,011,934,774,838/79,268,051.70
  6. Step 6: Final answer
    x = 67,883,741.55

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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.