Home / 243,594,176.88-336,128,989.50-139,179,011.16

Finding the Fourth Proportional to 243,594,176.88, 336,128,989.50 and 139,179,011.16

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Solution

The fourth proportional to 243,594,176.88, 336,128,989.50 and 139,179,011.16 is: 192,049,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,594,176.88 : 336,128,989.50 = 139,179,011.16 : x
  2. Step 2: Convert to fraction form
    243,594,176.88/336,128,989.50 = 139,179,011.16/x
  3. Step 3: Cross multiply
    243,594,176.88x = 336,128,989.50 × 139,179,011.16
  4. Step 4: Simplify right side
    243,594,176.88x = 46,782,100,380,820,024
  5. Step 5: Solve for x
    x = 46,782,100,380,820,024/243,594,176.88
  6. Step 6: Final answer
    x = 192,049,337.88

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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.