Home / 86,191,939.01-118,947,399.36-47,036,239.57

Finding the Fourth Proportional to 86,191,939.01, 118,947,399.36 and 47,036,239.57

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Solution

The fourth proportional to 86,191,939.01, 118,947,399.36 and 47,036,239.57 is: 64,911,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,191,939.01 : 118,947,399.36 = 47,036,239.57 : x
  2. Step 2: Convert to fraction form
    86,191,939.01/118,947,399.36 = 47,036,239.57/x
  3. Step 3: Cross multiply
    86,191,939.01x = 118,947,399.36 × 47,036,239.57
  4. Step 4: Simplify right side
    86,191,939.01x = 5,594,838,372,092,987
  5. Step 5: Solve for x
    x = 5,594,838,372,092,987/86,191,939.01
  6. Step 6: Final answer
    x = 64,911,387.73

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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.