Home / 45,809,216.40-68,712,031.20-15,517,079.36

Finding the Fourth Proportional to 45,809,216.40, 68,712,031.20 and 15,517,079.36

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Solution

The fourth proportional to 45,809,216.40, 68,712,031.20 and 15,517,079.36 is: 23,275,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809,216.40 : 68,712,031.20 = 15,517,079.36 : x
  2. Step 2: Convert to fraction form
    45,809,216.40/68,712,031.20 = 15,517,079.36/x
  3. Step 3: Cross multiply
    45,809,216.40x = 68,712,031.20 × 15,517,079.36
  4. Step 4: Simplify right side
    45,809,216.40x = 1,066,210,041,117,196
  5. Step 5: Solve for x
    x = 1,066,210,041,117,196/45,809,216.40
  6. Step 6: Final answer
    x = 23,275,011.56

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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.