Home / 65,266,721.45-90,069,779.63-35,898,824.31

Finding the Fourth Proportional to 65,266,721.45, 90,069,779.63 and 35,898,824.31

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Solution

The fourth proportional to 65,266,721.45, 90,069,779.63 and 35,898,824.31 is: 49,541,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,266,721.45 : 90,069,779.63 = 35,898,824.31 : x
  2. Step 2: Convert to fraction form
    65,266,721.45/90,069,779.63 = 35,898,824.31/x
  3. Step 3: Cross multiply
    65,266,721.45x = 90,069,779.63 × 35,898,824.31
  4. Step 4: Simplify right side
    65,266,721.45x = 3,233,399,194,398,293
  5. Step 5: Solve for x
    x = 3,233,399,194,398,293/65,266,721.45
  6. Step 6: Final answer
    x = 49,541,314.82

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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.