Home / 100,968,062.40-139,346,997.12-58,590,956.88

Finding the Fourth Proportional to 100,968,062.40, 139,346,997.12 and 58,590,956.88

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Solution

The fourth proportional to 100,968,062.40, 139,346,997.12 and 58,590,956.88 is: 80,861,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968,062.40 : 139,346,997.12 = 58,590,956.88 : x
  2. Step 2: Convert to fraction form
    100,968,062.40/139,346,997.12 = 58,590,956.88/x
  3. Step 3: Cross multiply
    100,968,062.40x = 139,346,997.12 × 58,590,956.88
  4. Step 4: Simplify right side
    100,968,062.40x = 8,164,473,899,615,405
  5. Step 5: Solve for x
    x = 8,164,473,899,615,405/100,968,062.40
  6. Step 6: Final answer
    x = 80,861,944.91

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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.