Home / 73,210,348.54-109,701,989.22-42,428,579.86

Finding the Fourth Proportional to 73,210,348.54, 109,701,989.22 and 42,428,579.86

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Solution

The fourth proportional to 73,210,348.54, 109,701,989.22 and 42,428,579.86 is: 63,577,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210,348.54 : 109,701,989.22 = 42,428,579.86 : x
  2. Step 2: Convert to fraction form
    73,210,348.54/109,701,989.22 = 42,428,579.86/x
  3. Step 3: Cross multiply
    73,210,348.54x = 109,701,989.22 × 42,428,579.86
  4. Step 4: Simplify right side
    73,210,348.54x = 4,654,499,610,421,629
  5. Step 5: Solve for x
    x = 4,654,499,610,421,629/73,210,348.54
  6. Step 6: Final answer
    x = 63,577,072.14

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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.