Home / 71,064,175.80-106,596,263.70-65,962,342.20

Finding the Fourth Proportional to 71,064,175.80, 106,596,263.70 and 65,962,342.20

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Solution

The fourth proportional to 71,064,175.80, 106,596,263.70 and 65,962,342.20 is: 98,943,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,064,175.80 : 106,596,263.70 = 65,962,342.20 : x
  2. Step 2: Convert to fraction form
    71,064,175.80/106,596,263.70 = 65,962,342.20/x
  3. Step 3: Cross multiply
    71,064,175.80x = 106,596,263.70 × 65,962,342.20
  4. Step 4: Simplify right side
    71,064,175.80x = 7,031,339,223,420,839
  5. Step 5: Solve for x
    x = 7,031,339,223,420,839/71,064,175.80
  6. Step 6: Final answer
    x = 98,943,513.30

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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.