Home / 78,768,990.54-118,149,212.45-24,181,585.16

Finding the Fourth Proportional to 78,768,990.54, 118,149,212.45 and 24,181,585.16

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Solution

The fourth proportional to 78,768,990.54, 118,149,212.45 and 24,181,585.16 is: 36,271,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,768,990.54 : 118,149,212.45 = 24,181,585.16 : x
  2. Step 2: Convert to fraction form
    78,768,990.54/118,149,212.45 = 24,181,585.16/x
  3. Step 3: Cross multiply
    78,768,990.54x = 118,149,212.45 × 24,181,585.16
  4. Step 4: Simplify right side
    78,768,990.54x = 2,857,035,241,916,315.50
  5. Step 5: Solve for x
    x = 2,857,035,241,916,315.50/78,768,990.54
  6. Step 6: Final answer
    x = 36,271,065.84

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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.