Home / 90,939,735.67-136,407,645.02-25,359,126.13

Finding the Fourth Proportional to 90,939,735.67, 136,407,645.02 and 25,359,126.13

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Solution

The fourth proportional to 90,939,735.67, 136,407,645.02 and 25,359,126.13 is: 38,038,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,939,735.67 : 136,407,645.02 = 25,359,126.13 : x
  2. Step 2: Convert to fraction form
    90,939,735.67/136,407,645.02 = 25,359,126.13/x
  3. Step 3: Cross multiply
    90,939,735.67x = 136,407,645.02 × 25,359,126.13
  4. Step 4: Simplify right side
    90,939,735.67x = 3,459,178,675,222,955
  5. Step 5: Solve for x
    x = 3,459,178,675,222,955/90,939,735.67
  6. Step 6: Final answer
    x = 38,038,143.06

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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.