Home / 56,689,816.92-78,234,424.78-31,911,602.64

Finding the Fourth Proportional to 56,689,816.92, 78,234,424.78 and 31,911,602.64

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Solution

The fourth proportional to 56,689,816.92, 78,234,424.78 and 31,911,602.64 is: 44,039,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,689,816.92 : 78,234,424.78 = 31,911,602.64 : x
  2. Step 2: Convert to fraction form
    56,689,816.92/78,234,424.78 = 31,911,602.64/x
  3. Step 3: Cross multiply
    56,689,816.92x = 78,234,424.78 × 31,911,602.64
  4. Step 4: Simplify right side
    56,689,816.92x = 2,496,585,876,348,329.50
  5. Step 5: Solve for x
    x = 2,496,585,876,348,329.50/56,689,816.92
  6. Step 6: Final answer
    x = 44,039,406.23

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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.