Home / 67,709,685.42-93,467,969.34-45,712,979.52

Finding the Fourth Proportional to 67,709,685.42, 93,467,969.34 and 45,712,979.52

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Solution

The fourth proportional to 67,709,685.42, 93,467,969.34 and 45,712,979.52 is: 63,103,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,709,685.42 : 93,467,969.34 = 45,712,979.52 : x
  2. Step 2: Convert to fraction form
    67,709,685.42/93,467,969.34 = 45,712,979.52/x
  3. Step 3: Cross multiply
    67,709,685.42x = 93,467,969.34 × 45,712,979.52
  4. Step 4: Simplify right side
    67,709,685.42x = 4,272,699,368,215,408.50
  5. Step 5: Solve for x
    x = 4,272,699,368,215,408.50/67,709,685.42
  6. Step 6: Final answer
    x = 63,103,222.85

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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.