Home / 66,562,263.60-99,644,329.80-39,622,052.40

Finding the Fourth Proportional to 66,562,263.60, 99,644,329.80 and 39,622,052.40

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Solution

The fourth proportional to 66,562,263.60, 99,644,329.80 and 39,622,052.40 is: 59,314,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562,263.60 : 99,644,329.80 = 39,622,052.40 : x
  2. Step 2: Convert to fraction form
    66,562,263.60/99,644,329.80 = 39,622,052.40/x
  3. Step 3: Cross multiply
    66,562,263.60x = 99,644,329.80 × 39,622,052.40
  4. Step 4: Simplify right side
    66,562,263.60x = 3,948,112,856,698,481.50
  5. Step 5: Solve for x
    x = 3,948,112,856,698,481.50/66,562,263.60
  6. Step 6: Final answer
    x = 59,314,582.21

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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.