Home / 61,764,277.15-85,164,809.79-39,407,341.60

Finding the Fourth Proportional to 61,764,277.15, 85,164,809.79 and 39,407,341.60

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Solution

The fourth proportional to 61,764,277.15, 85,164,809.79 and 39,407,341.60 is: 54,337,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,764,277.15 : 85,164,809.79 = 39,407,341.60 : x
  2. Step 2: Convert to fraction form
    61,764,277.15/85,164,809.79 = 39,407,341.60/x
  3. Step 3: Cross multiply
    61,764,277.15x = 85,164,809.79 × 39,407,341.60
  4. Step 4: Simplify right side
    61,764,277.15x = 3,356,118,751,693,554.50
  5. Step 5: Solve for x
    x = 3,356,118,751,693,554.50/61,764,277.15
  6. Step 6: Final answer
    x = 54,337,537.92

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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.