Home / 82,367,509.73-113,666,851.49-45,198,411.89

Finding the Fourth Proportional to 82,367,509.73, 113,666,851.49 and 45,198,411.89

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Solution

The fourth proportional to 82,367,509.73, 113,666,851.49 and 45,198,411.89 is: 62,373,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,509.73 : 113,666,851.49 = 45,198,411.89 : x
  2. Step 2: Convert to fraction form
    82,367,509.73/113,666,851.49 = 45,198,411.89/x
  3. Step 3: Cross multiply
    82,367,509.73x = 113,666,851.49 × 45,198,411.89
  4. Step 4: Simplify right side
    82,367,509.73x = 5,137,561,171,090,154
  5. Step 5: Solve for x
    x = 5,137,561,171,090,154/82,367,509.73
  6. Step 6: Final answer
    x = 62,373,637.23

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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.