Home / 243,714,311.12-336,325,724.36-137,865,465.04

Finding the Fourth Proportional to 243,714,311.12, 336,325,724.36 and 137,865,465.04

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Solution

The fourth proportional to 243,714,311.12, 336,325,724.36 and 137,865,465.04 is: 190,254,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,714,311.12 : 336,325,724.36 = 137,865,465.04 : x
  2. Step 2: Convert to fraction form
    243,714,311.12/336,325,724.36 = 137,865,465.04/x
  3. Step 3: Cross multiply
    243,714,311.12x = 336,325,724.36 × 137,865,465.04
  4. Step 4: Simplify right side
    243,714,311.12x = 46,367,702,393,806,256
  5. Step 5: Solve for x
    x = 46,367,702,393,806,256/243,714,311.12
  6. Step 6: Final answer
    x = 190,254,327.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.