Home / 92,615,464.49-138,935,971.84-53,772,209.60

Finding the Fourth Proportional to 92,615,464.49, 138,935,971.84 and 53,772,209.60

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Solution

The fourth proportional to 92,615,464.49, 138,935,971.84 and 53,772,209.60 is: 80,665,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615,464.49 : 138,935,971.84 = 53,772,209.60 : x
  2. Step 2: Convert to fraction form
    92,615,464.49/138,935,971.84 = 53,772,209.60/x
  3. Step 3: Cross multiply
    92,615,464.49x = 138,935,971.84 × 53,772,209.60
  4. Step 4: Simplify right side
    92,615,464.49x = 7,470,894,198,760,178
  5. Step 5: Solve for x
    x = 7,470,894,198,760,178/92,615,464.49
  6. Step 6: Final answer
    x = 80,665,731.58

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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.