Home / 86,211,461.44-129,334,227.70-31,624,553.80

Finding the Fourth Proportional to 86,211,461.44, 129,334,227.70 and 31,624,553.80

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Solution

The fourth proportional to 86,211,461.44, 129,334,227.70 and 31,624,553.80 is: 47,443,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211,461.44 : 129,334,227.70 = 31,624,553.80 : x
  2. Step 2: Convert to fraction form
    86,211,461.44/129,334,227.70 = 31,624,553.80/x
  3. Step 3: Cross multiply
    86,211,461.44x = 129,334,227.70 × 31,624,553.80
  4. Step 4: Simplify right side
    86,211,461.44x = 4,090,137,242,080,100.50
  5. Step 5: Solve for x
    x = 4,090,137,242,080,100.50/86,211,461.44
  6. Step 6: Final answer
    x = 47,443,079.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.