Home / 100,885,880,381.20-139,222,526,730.40-55,160,186,767.36

Finding the Fourth Proportional to 100,885,880,381.20, 139,222,526,730.40 and 55,160,186,767.36

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Solution

The fourth proportional to 100,885,880,381.20, 139,222,526,730.40 and 55,160,186,767.36 is: 76,121,064,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,885,880,381.20 : 139,222,526,730.40 = 55,160,186,767.36 : x
  2. Step 2: Convert to fraction form
    100,885,880,381.20/139,222,526,730.40 = 55,160,186,767.36/x
  3. Step 3: Cross multiply
    100,885,880,381.20x = 139,222,526,730.40 × 55,160,186,767.36
  4. Step 4: Simplify right side
    100,885,880,381.20x = 7,679,540,576,671,937,593,344
  5. Step 5: Solve for x
    x = 7,679,540,576,671,937,593,344/100,885,880,381.20
  6. Step 6: Final answer
    x = 76,121,064,193.07

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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.