Home / 74,863,314.30-112,294,971.45-40,851,090.30

Finding the Fourth Proportional to 74,863,314.30, 112,294,971.45 and 40,851,090.30

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Solution

The fourth proportional to 74,863,314.30, 112,294,971.45 and 40,851,090.30 is: 61,276,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863,314.30 : 112,294,971.45 = 40,851,090.30 : x
  2. Step 2: Convert to fraction form
    74,863,314.30/112,294,971.45 = 40,851,090.30/x
  3. Step 3: Cross multiply
    74,863,314.30x = 112,294,971.45 × 40,851,090.30
  4. Step 4: Simplify right side
    74,863,314.30x = 4,587,372,018,939,872
  5. Step 5: Solve for x
    x = 4,587,372,018,939,872/74,863,314.30
  6. Step 6: Final answer
    x = 61,276,635.45

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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.