Home / 42,968,226.15-64,451,701.35-10,620,126.90

Finding the Fourth Proportional to 42,968,226.15, 64,451,701.35 and 10,620,126.90

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Solution

The fourth proportional to 42,968,226.15, 64,451,701.35 and 10,620,126.90 is: 15,930,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968,226.15 : 64,451,701.35 = 10,620,126.90 : x
  2. Step 2: Convert to fraction form
    42,968,226.15/64,451,701.35 = 10,620,126.90/x
  3. Step 3: Cross multiply
    42,968,226.15x = 64,451,701.35 × 10,620,126.90
  4. Step 4: Simplify right side
    42,968,226.15x = 684,485,247,257,901.38
  5. Step 5: Solve for x
    x = 684,485,247,257,901.38/42,968,226.15
  6. Step 6: Final answer
    x = 15,930,032.69

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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.