Home / 71,208,207.70-106,765,655.55-28,051,407.70

Finding the Fourth Proportional to 71,208,207.70, 106,765,655.55 and 28,051,407.70

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Solution

The fourth proportional to 71,208,207.70, 106,765,655.55 and 28,051,407.70 is: 42,058,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208,207.70 : 106,765,655.55 = 28,051,407.70 : x
  2. Step 2: Convert to fraction form
    71,208,207.70/106,765,655.55 = 28,051,407.70/x
  3. Step 3: Cross multiply
    71,208,207.70x = 106,765,655.55 × 28,051,407.70
  4. Step 4: Simplify right side
    71,208,207.70x = 2,994,926,932,190,817.50
  5. Step 5: Solve for x
    x = 2,994,926,932,190,817.50/71,208,207.70
  6. Step 6: Final answer
    x = 42,058,732.12

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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.