Home / 131,739,471,896.07-181,733,563,132.15-86,040,497,384.80

Finding the Fourth Proportional to 131,739,471,896.07, 181,733,563,132.15 and 86,040,497,384.80

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Solution

The fourth proportional to 131,739,471,896.07, 181,733,563,132.15 and 86,040,497,384.80 is: 118,692,187,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739,471,896.07 : 181,733,563,132.15 = 86,040,497,384.80 : x
  2. Step 2: Convert to fraction form
    131,739,471,896.07/181,733,563,132.15 = 86,040,497,384.80/x
  3. Step 3: Cross multiply
    131,739,471,896.07x = 181,733,563,132.15 × 86,040,497,384.80
  4. Step 4: Simplify right side
    131,739,471,896.07x = 15,636,446,163,401,774,727,168
  5. Step 5: Solve for x
    x = 15,636,446,163,401,774,727,168/131,739,471,896.07
  6. Step 6: Final answer
    x = 118,692,187,985.52

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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.