Home / 73,007,719.06-100,750,654.29-40,412,671.06

Finding the Fourth Proportional to 73,007,719.06, 100,750,654.29 and 40,412,671.06

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Solution

The fourth proportional to 73,007,719.06, 100,750,654.29 and 40,412,671.06 is: 55,769,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007,719.06 : 100,750,654.29 = 40,412,671.06 : x
  2. Step 2: Convert to fraction form
    73,007,719.06/100,750,654.29 = 40,412,671.06/x
  3. Step 3: Cross multiply
    73,007,719.06x = 100,750,654.29 × 40,412,671.06
  4. Step 4: Simplify right side
    73,007,719.06x = 4,071,603,050,901,548.50
  5. Step 5: Solve for x
    x = 4,071,603,050,901,548.50/73,007,719.06
  6. Step 6: Final answer
    x = 55,769,487.16

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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.