Home / 84,259,143.56-116,281,209.15-47,089,422.75

Finding the Fourth Proportional to 84,259,143.56, 116,281,209.15 and 47,089,422.75

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Solution

The fourth proportional to 84,259,143.56, 116,281,209.15 and 47,089,422.75 is: 64,985,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259,143.56 : 116,281,209.15 = 47,089,422.75 : x
  2. Step 2: Convert to fraction form
    84,259,143.56/116,281,209.15 = 47,089,422.75/x
  3. Step 3: Cross multiply
    84,259,143.56x = 116,281,209.15 × 47,089,422.75
  4. Step 4: Simplify right side
    84,259,143.56x = 5,475,615,015,545,518
  5. Step 5: Solve for x
    x = 5,475,615,015,545,518/84,259,143.56
  6. Step 6: Final answer
    x = 64,985,410.30

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Double scale
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1.5x scale

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.