Home / 131,739,471,895.88-181,733,563,131.89-86,040,497,384.61

Finding the Fourth Proportional to 131,739,471,895.88, 181,733,563,131.89 and 86,040,497,384.61

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Solution

The fourth proportional to 131,739,471,895.88, 181,733,563,131.89 and 86,040,497,384.61 is: 118,692,187,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739,471,895.88 : 181,733,563,131.89 = 86,040,497,384.61 : x
  2. Step 2: Convert to fraction form
    131,739,471,895.88/181,733,563,131.89 = 86,040,497,384.61/x
  3. Step 3: Cross multiply
    131,739,471,895.88x = 181,733,563,131.89 × 86,040,497,384.61
  4. Step 4: Simplify right side
    131,739,471,895.88x = 15,636,446,163,345,239,703,552
  5. Step 5: Solve for x
    x = 15,636,446,163,345,239,703,552/131,739,471,895.88
  6. Step 6: Final answer
    x = 118,692,187,985.26

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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.