Home / 40,459,702.74-55,840,983.42-30,074,681.22

Finding the Fourth Proportional to 40,459,702.74, 55,840,983.42 and 30,074,681.22

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Solution

The fourth proportional to 40,459,702.74, 55,840,983.42 and 30,074,681.22 is: 41,507,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,459,702.74 : 55,840,983.42 = 30,074,681.22 : x
  2. Step 2: Convert to fraction form
    40,459,702.74/55,840,983.42 = 30,074,681.22/x
  3. Step 3: Cross multiply
    40,459,702.74x = 55,840,983.42 × 30,074,681.22
  4. Step 4: Simplify right side
    40,459,702.74x = 1,679,399,775,367,805.25
  5. Step 5: Solve for x
    x = 1,679,399,775,367,805.25/40,459,702.74
  6. Step 6: Final answer
    x = 41,507,961.30

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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.