Home / 82,367,510.73-113,666,852.86-45,198,412.89

Finding the Fourth Proportional to 82,367,510.73, 113,666,852.86 and 45,198,412.89

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Solution

The fourth proportional to 82,367,510.73, 113,666,852.86 and 45,198,412.89 is: 62,373,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,510.73 : 113,666,852.86 = 45,198,412.89 : x
  2. Step 2: Convert to fraction form
    82,367,510.73/113,666,852.86 = 45,198,412.89/x
  3. Step 3: Cross multiply
    82,367,510.73x = 113,666,852.86 × 45,198,412.89
  4. Step 4: Simplify right side
    82,367,510.73x = 5,137,561,347,473,157
  5. Step 5: Solve for x
    x = 5,137,561,347,473,157/82,367,510.73
  6. Step 6: Final answer
    x = 62,373,638.61

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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.