Home / 71,615,478.98-107,464,902.96-30,113,355.35

Finding the Fourth Proportional to 71,615,478.98, 107,464,902.96 and 30,113,355.35

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Solution

The fourth proportional to 71,615,478.98, 107,464,902.96 and 30,113,355.35 is: 45,187,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,615,478.98 : 107,464,902.96 = 30,113,355.35 : x
  2. Step 2: Convert to fraction form
    71,615,478.98/107,464,902.96 = 30,113,355.35/x
  3. Step 3: Cross multiply
    71,615,478.98x = 107,464,902.96 × 30,113,355.35
  4. Step 4: Simplify right side
    71,615,478.98x = 3,236,128,810,869,334
  5. Step 5: Solve for x
    x = 3,236,128,810,869,334/71,615,478.98
  6. Step 6: Final answer
    x = 45,187,560.80

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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.