Home / 168,517,283.51-252,765,836.10-70,124,139.86

Finding the Fourth Proportional to 168,517,283.51, 252,765,836.10 and 70,124,139.86

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Solution

The fourth proportional to 168,517,283.51, 252,765,836.10 and 70,124,139.86 is: 105,182,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,517,283.51 : 252,765,836.10 = 70,124,139.86 : x
  2. Step 2: Convert to fraction form
    168,517,283.51/252,765,836.10 = 70,124,139.86/x
  3. Step 3: Cross multiply
    168,517,283.51x = 252,765,836.10 × 70,124,139.86
  4. Step 4: Simplify right side
    168,517,283.51x = 17,724,986,841,242,408
  5. Step 5: Solve for x
    x = 17,724,986,841,242,408/168,517,283.51
  6. Step 6: Final answer
    x = 105,182,011.43

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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.