Home / 88,629,880.40-122,329,642.24-51,972,261.20

Finding the Fourth Proportional to 88,629,880.40, 122,329,642.24 and 51,972,261.20

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Solution

The fourth proportional to 88,629,880.40, 122,329,642.24 and 51,972,261.20 is: 71,733,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629,880.40 : 122,329,642.24 = 51,972,261.20 : x
  2. Step 2: Convert to fraction form
    88,629,880.40/122,329,642.24 = 51,972,261.20/x
  3. Step 3: Cross multiply
    88,629,880.40x = 122,329,642.24 × 51,972,261.20
  4. Step 4: Simplify right side
    88,629,880.40x = 6,357,748,118,999,833
  5. Step 5: Solve for x
    x = 6,357,748,118,999,833/88,629,880.40
  6. Step 6: Final answer
    x = 71,733,687.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.