Home / 157,465,356.80-236,198,035.20-55,216,108.40

Finding the Fourth Proportional to 157,465,356.80, 236,198,035.20 and 55,216,108.40

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Solution

The fourth proportional to 157,465,356.80, 236,198,035.20 and 55,216,108.40 is: 82,824,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,356.80 : 236,198,035.20 = 55,216,108.40 : x
  2. Step 2: Convert to fraction form
    157,465,356.80/236,198,035.20 = 55,216,108.40/x
  3. Step 3: Cross multiply
    157,465,356.80x = 236,198,035.20 × 55,216,108.40
  4. Step 4: Simplify right side
    157,465,356.80x = 13,041,936,315,470,214
  5. Step 5: Solve for x
    x = 13,041,936,315,470,214/157,465,356.80
  6. Step 6: Final answer
    x = 82,824,162.60

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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.