Home / 66,313,525.60-99,470,288.40-39,373,314.40

Finding the Fourth Proportional to 66,313,525.60, 99,470,288.40 and 39,373,314.40

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Solution

The fourth proportional to 66,313,525.60, 99,470,288.40 and 39,373,314.40 is: 59,059,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,313,525.60 : 99,470,288.40 = 39,373,314.40 : x
  2. Step 2: Convert to fraction form
    66,313,525.60/99,470,288.40 = 39,373,314.40/x
  3. Step 3: Cross multiply
    66,313,525.60x = 99,470,288.40 × 39,373,314.40
  4. Step 4: Simplify right side
    66,313,525.60x = 3,916,474,938,631,873
  5. Step 5: Solve for x
    x = 3,916,474,938,631,873/66,313,525.60
  6. Step 6: Final answer
    x = 59,059,971.60

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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.