Home / 85,294,041.12-117,705,790.17-46,135,800.72

Finding the Fourth Proportional to 85,294,041.12, 117,705,790.17 and 46,135,800.72

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Solution

The fourth proportional to 85,294,041.12, 117,705,790.17 and 46,135,800.72 is: 63,667,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,294,041.12 : 117,705,790.17 = 46,135,800.72 : x
  2. Step 2: Convert to fraction form
    85,294,041.12/117,705,790.17 = 46,135,800.72/x
  3. Step 3: Cross multiply
    85,294,041.12x = 117,705,790.17 × 46,135,800.72
  4. Step 4: Simplify right side
    85,294,041.12x = 5,430,450,878,873,255
  5. Step 5: Solve for x
    x = 5,430,450,878,873,255/85,294,041.12
  6. Step 6: Final answer
    x = 63,667,412.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.