Home / 83,176,216.40-124,772,662.20-28,581,611.60

Finding the Fourth Proportional to 83,176,216.40, 124,772,662.20 and 28,581,611.60

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Solution

The fourth proportional to 83,176,216.40, 124,772,662.20 and 28,581,611.60 is: 42,875,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,176,216.40 : 124,772,662.20 = 28,581,611.60 : x
  2. Step 2: Convert to fraction form
    83,176,216.40/124,772,662.20 = 28,581,611.60/x
  3. Step 3: Cross multiply
    83,176,216.40x = 124,772,662.20 × 28,581,611.60
  4. Step 4: Simplify right side
    83,176,216.40x = 3,566,203,769,298,402
  5. Step 5: Solve for x
    x = 3,566,203,769,298,402/83,176,216.40
  6. Step 6: Final answer
    x = 42,875,282.43

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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.