Home / 85,310,256.16-117,742,230.96-52,288,873.60

Finding the Fourth Proportional to 85,310,256.16, 117,742,230.96 and 52,288,873.60

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Solution

The fourth proportional to 85,310,256.16, 117,742,230.96 and 52,288,873.60 is: 72,167,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,310,256.16 : 117,742,230.96 = 52,288,873.60 : x
  2. Step 2: Convert to fraction form
    85,310,256.16/117,742,230.96 = 52,288,873.60/x
  3. Step 3: Cross multiply
    85,310,256.16x = 117,742,230.96 × 52,288,873.60
  4. Step 4: Simplify right side
    85,310,256.16x = 6,156,608,632,049,446
  5. Step 5: Solve for x
    x = 6,156,608,632,049,446/85,310,256.16
  6. Step 6: Final answer
    x = 72,167,274.01

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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.