Home / 68,774,614.47-94,909,751.60-39,405,357.45

Finding the Fourth Proportional to 68,774,614.47, 94,909,751.60 and 39,405,357.45

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Solution

The fourth proportional to 68,774,614.47, 94,909,751.60 and 39,405,357.45 is: 54,379,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,774,614.47 : 94,909,751.60 = 39,405,357.45 : x
  2. Step 2: Convert to fraction form
    68,774,614.47/94,909,751.60 = 39,405,357.45/x
  3. Step 3: Cross multiply
    68,774,614.47x = 94,909,751.60 × 39,405,357.45
  4. Step 4: Simplify right side
    68,774,614.47x = 3,739,952,687,091,683
  5. Step 5: Solve for x
    x = 3,739,952,687,091,683/68,774,614.47
  6. Step 6: Final answer
    x = 54,379,842.27

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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.