Home / 67,097,543.40-100,646,315.10-54,980,688.60

Finding the Fourth Proportional to 67,097,543.40, 100,646,315.10 and 54,980,688.60

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Solution

The fourth proportional to 67,097,543.40, 100,646,315.10 and 54,980,688.60 is: 82,471,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,097,543.40 : 100,646,315.10 = 54,980,688.60 : x
  2. Step 2: Convert to fraction form
    67,097,543.40/100,646,315.10 = 54,980,688.60/x
  3. Step 3: Cross multiply
    67,097,543.40x = 100,646,315.10 × 54,980,688.60
  4. Step 4: Simplify right side
    67,097,543.40x = 5,533,603,709,250,578
  5. Step 5: Solve for x
    x = 5,533,603,709,250,578/67,097,543.40
  6. Step 6: Final answer
    x = 82,471,032.90

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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.