Home / 74,445,103.80-111,667,655.70-57,226,415.40

Finding the Fourth Proportional to 74,445,103.80, 111,667,655.70 and 57,226,415.40

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Solution

The fourth proportional to 74,445,103.80, 111,667,655.70 and 57,226,415.40 is: 85,839,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445,103.80 : 111,667,655.70 = 57,226,415.40 : x
  2. Step 2: Convert to fraction form
    74,445,103.80/111,667,655.70 = 57,226,415.40/x
  3. Step 3: Cross multiply
    74,445,103.80x = 111,667,655.70 × 57,226,415.40
  4. Step 4: Simplify right side
    74,445,103.80x = 6,390,339,651,832,378
  5. Step 5: Solve for x
    x = 6,390,339,651,832,378/74,445,103.80
  6. Step 6: Final answer
    x = 85,839,623.10

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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.