Home / 89,644,071.60-134,466,107.40-76,889,487.60

Finding the Fourth Proportional to 89,644,071.60, 134,466,107.40 and 76,889,487.60

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Solution

The fourth proportional to 89,644,071.60, 134,466,107.40 and 76,889,487.60 is: 115,334,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644,071.60 : 134,466,107.40 = 76,889,487.60 : x
  2. Step 2: Convert to fraction form
    89,644,071.60/134,466,107.40 = 76,889,487.60/x
  3. Step 3: Cross multiply
    89,644,071.60x = 134,466,107.40 × 76,889,487.60
  4. Step 4: Simplify right side
    89,644,071.60x = 10,339,030,097,552,568
  5. Step 5: Solve for x
    x = 10,339,030,097,552,568/89,644,071.60
  6. Step 6: Final answer
    x = 115,334,231.40

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1.5x scale

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.