Home / 74,886,722.40-112,330,083.60-62,121,640.80

Finding the Fourth Proportional to 74,886,722.40, 112,330,083.60 and 62,121,640.80

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Solution

The fourth proportional to 74,886,722.40, 112,330,083.60 and 62,121,640.80 is: 93,182,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,722.40 : 112,330,083.60 = 62,121,640.80 : x
  2. Step 2: Convert to fraction form
    74,886,722.40/112,330,083.60 = 62,121,640.80/x
  3. Step 3: Cross multiply
    74,886,722.40x = 112,330,083.60 × 62,121,640.80
  4. Step 4: Simplify right side
    74,886,722.40x = 6,978,129,104,433,170
  5. Step 5: Solve for x
    x = 6,978,129,104,433,170/74,886,722.40
  6. Step 6: Final answer
    x = 93,182,461.20

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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.