Home / 71,118,429.60-106,677,644.40-68,132,445.60

Finding the Fourth Proportional to 71,118,429.60, 106,677,644.40 and 68,132,445.60

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Solution

The fourth proportional to 71,118,429.60, 106,677,644.40 and 68,132,445.60 is: 102,198,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118,429.60 : 106,677,644.40 = 68,132,445.60 : x
  2. Step 2: Convert to fraction form
    71,118,429.60/106,677,644.40 = 68,132,445.60/x
  3. Step 3: Cross multiply
    71,118,429.60x = 106,677,644.40 × 68,132,445.60
  4. Step 4: Simplify right side
    71,118,429.60x = 7,268,208,803,819,144
  5. Step 5: Solve for x
    x = 7,268,208,803,819,144/71,118,429.60
  6. Step 6: Final answer
    x = 102,198,668.40

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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.