Home / 86,108,465.41-129,163,211.90-21,412,270.47

Finding the Fourth Proportional to 86,108,465.41, 129,163,211.90 and 21,412,270.47

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Solution

The fourth proportional to 86,108,465.41, 129,163,211.90 and 21,412,270.47 is: 32,118,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,108,465.41 : 129,163,211.90 = 21,412,270.47 : x
  2. Step 2: Convert to fraction form
    86,108,465.41/129,163,211.90 = 21,412,270.47/x
  3. Step 3: Cross multiply
    86,108,465.41x = 129,163,211.90 × 21,412,270.47
  4. Step 4: Simplify right side
    86,108,465.41x = 2,765,677,627,760,450.50
  5. Step 5: Solve for x
    x = 2,765,677,627,760,450.50/86,108,465.41
  6. Step 6: Final answer
    x = 32,118,533.46

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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.