Home / 168,570,953.20-252,572,994.60-139,660,562.80

Finding the Fourth Proportional to 168,570,953.20, 252,572,994.60 and 139,660,562.80

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Solution

The fourth proportional to 168,570,953.20, 252,572,994.60 and 139,660,562.80 is: 209,256,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,570,953.20 : 252,572,994.60 = 139,660,562.80 : x
  2. Step 2: Convert to fraction form
    168,570,953.20/252,572,994.60 = 139,660,562.80/x
  3. Step 3: Cross multiply
    168,570,953.20x = 252,572,994.60 × 139,660,562.80
  4. Step 4: Simplify right side
    168,570,953.20x = 35,274,486,573,917,364
  5. Step 5: Solve for x
    x = 35,274,486,573,917,364/168,570,953.20
  6. Step 6: Final answer
    x = 209,256,018.93

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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.