Home / 163,734,415.20-245,601,622.80-161,582,079.15

Finding the Fourth Proportional to 163,734,415.20, 245,601,622.80 and 161,582,079.15

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Solution

The fourth proportional to 163,734,415.20, 245,601,622.80 and 161,582,079.15 is: 242,373,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,734,415.20 : 245,601,622.80 = 161,582,079.15 : x
  2. Step 2: Convert to fraction form
    163,734,415.20/245,601,622.80 = 161,582,079.15/x
  3. Step 3: Cross multiply
    163,734,415.20x = 245,601,622.80 × 161,582,079.15
  4. Step 4: Simplify right side
    163,734,415.20x = 39,684,820,854,638,048
  5. Step 5: Solve for x
    x = 39,684,820,854,638,048/163,734,415.20
  6. Step 6: Final answer
    x = 242,373,118.73

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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.