Home / 65,641,842.80-98,551,410.60-38,376,076.40

Finding the Fourth Proportional to 65,641,842.80, 98,551,410.60 and 38,376,076.40

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Solution

The fourth proportional to 65,641,842.80, 98,551,410.60 and 38,376,076.40 is: 57,615,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,641,842.80 : 98,551,410.60 = 38,376,076.40 : x
  2. Step 2: Convert to fraction form
    65,641,842.80/98,551,410.60 = 38,376,076.40/x
  3. Step 3: Cross multiply
    65,641,842.80x = 98,551,410.60 × 38,376,076.40
  4. Step 4: Simplify right side
    65,641,842.80x = 3,782,016,462,513,369.50
  5. Step 5: Solve for x
    x = 3,782,016,462,513,369.50/65,641,842.80
  6. Step 6: Final answer
    x = 57,615,939.79

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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.