Home / 69,126,052.48-103,688,704.80-28,185,333.76

Finding the Fourth Proportional to 69,126,052.48, 103,688,704.80 and 28,185,333.76

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Solution

The fourth proportional to 69,126,052.48, 103,688,704.80 and 28,185,333.76 is: 42,277,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126,052.48 : 103,688,704.80 = 28,185,333.76 : x
  2. Step 2: Convert to fraction form
    69,126,052.48/103,688,704.80 = 28,185,333.76/x
  3. Step 3: Cross multiply
    69,126,052.48x = 103,688,704.80 × 28,185,333.76
  4. Step 4: Simplify right side
    69,126,052.48x = 2,922,500,751,930,114
  5. Step 5: Solve for x
    x = 2,922,500,751,930,114/69,126,052.48
  6. Step 6: Final answer
    x = 42,277,848.18

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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.