Home / 91,977,127.51-138,023,128.94-61,293,237.29

Finding the Fourth Proportional to 91,977,127.51, 138,023,128.94 and 61,293,237.29

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Solution

The fourth proportional to 91,977,127.51, 138,023,128.94 and 61,293,237.29 is: 91,978,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,977,127.51 : 138,023,128.94 = 61,293,237.29 : x
  2. Step 2: Convert to fraction form
    91,977,127.51/138,023,128.94 = 61,293,237.29/x
  3. Step 3: Cross multiply
    91,977,127.51x = 138,023,128.94 × 61,293,237.29
  4. Step 4: Simplify right side
    91,977,127.51x = 8,459,884,393,627,686
  5. Step 5: Solve for x
    x = 8,459,884,393,627,686/91,977,127.51
  6. Step 6: Final answer
    x = 91,978,132.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.