Home / 71,281,842.95-106,967,744.64-30,341,216.32

Finding the Fourth Proportional to 71,281,842.95, 106,967,744.64 and 30,341,216.32

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Solution

The fourth proportional to 71,281,842.95, 106,967,744.64 and 30,341,216.32 is: 45,530,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,281,842.95 : 106,967,744.64 = 30,341,216.32 : x
  2. Step 2: Convert to fraction form
    71,281,842.95/106,967,744.64 = 30,341,216.32/x
  3. Step 3: Cross multiply
    71,281,842.95x = 106,967,744.64 × 30,341,216.32
  4. Step 4: Simplify right side
    71,281,842.95x = 3,245,531,479,117,341
  5. Step 5: Solve for x
    x = 3,245,531,479,117,341/71,281,842.95
  6. Step 6: Final answer
    x = 45,530,970.37

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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.