Home / 67,041,686.56-92,514,544.32-39,166,981.60

Finding the Fourth Proportional to 67,041,686.56, 92,514,544.32 and 39,166,981.60

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Solution

The fourth proportional to 67,041,686.56, 92,514,544.32 and 39,166,981.60 is: 54,048,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041,686.56 : 92,514,544.32 = 39,166,981.60 : x
  2. Step 2: Convert to fraction form
    67,041,686.56/92,514,544.32 = 39,166,981.60/x
  3. Step 3: Cross multiply
    67,041,686.56x = 92,514,544.32 × 39,166,981.60
  4. Step 4: Simplify right side
    67,041,686.56x = 3,623,515,455,113,824.50
  5. Step 5: Solve for x
    x = 3,623,515,455,113,824.50/67,041,686.56
  6. Step 6: Final answer
    x = 54,048,691.81

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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.