Home / 55,844,660.40-83,829,976.20-43,121,569.20

Finding the Fourth Proportional to 55,844,660.40, 83,829,976.20 and 43,121,569.20

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Solution

The fourth proportional to 55,844,660.40, 83,829,976.20 and 43,121,569.20 is: 64,730,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,844,660.40 : 83,829,976.20 = 43,121,569.20 : x
  2. Step 2: Convert to fraction form
    55,844,660.40/83,829,976.20 = 43,121,569.20/x
  3. Step 3: Cross multiply
    55,844,660.40x = 83,829,976.20 × 43,121,569.20
  4. Step 4: Simplify right side
    55,844,660.40x = 3,614,880,119,742,653.50
  5. Step 5: Solve for x
    x = 3,614,880,119,742,653.50/55,844,660.40
  6. Step 6: Final answer
    x = 64,730,989.39

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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.