Home / 131,491,070.13-181,463,030.70-72,752,783.97

Finding the Fourth Proportional to 131,491,070.13, 181,463,030.70 and 72,752,783.97

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Solution

The fourth proportional to 131,491,070.13, 181,463,030.70 and 72,752,783.97 is: 100,401,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,491,070.13 : 181,463,030.70 = 72,752,783.97 : x
  2. Step 2: Convert to fraction form
    131,491,070.13/181,463,030.70 = 72,752,783.97/x
  3. Step 3: Cross multiply
    131,491,070.13x = 181,463,030.70 × 72,752,783.97
  4. Step 4: Simplify right side
    131,491,070.13x = 13,201,940,671,058,576
  5. Step 5: Solve for x
    x = 13,201,940,671,058,576/131,491,070.13
  6. Step 6: Final answer
    x = 100,401,804.15

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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.