Home / 86,094,819.48-118,743,667.02-55,157,867.40

Finding the Fourth Proportional to 86,094,819.48, 118,743,667.02 and 55,157,867.40

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Solution

The fourth proportional to 86,094,819.48, 118,743,667.02 and 55,157,867.40 is: 76,074,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094,819.48 : 118,743,667.02 = 55,157,867.40 : x
  2. Step 2: Convert to fraction form
    86,094,819.48/118,743,667.02 = 55,157,867.40/x
  3. Step 3: Cross multiply
    86,094,819.48x = 118,743,667.02 × 55,157,867.40
  4. Step 4: Simplify right side
    86,094,819.48x = 6,549,647,440,078,913
  5. Step 5: Solve for x
    x = 6,549,647,440,078,913/86,094,819.48
  6. Step 6: Final answer
    x = 76,074,814.72

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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.