Home / 238,343,617.26-357,522,135.02-65,820,430.78

Finding the Fourth Proportional to 238,343,617.26, 357,522,135.02 and 65,820,430.78

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Solution

The fourth proportional to 238,343,617.26, 357,522,135.02 and 65,820,430.78 is: 98,732,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,343,617.26 : 357,522,135.02 = 65,820,430.78 : x
  2. Step 2: Convert to fraction form
    238,343,617.26/357,522,135.02 = 65,820,430.78/x
  3. Step 3: Cross multiply
    238,343,617.26x = 357,522,135.02 × 65,820,430.78
  4. Step 4: Simplify right side
    238,343,617.26x = 23,532,260,939,425,644
  5. Step 5: Solve for x
    x = 23,532,260,939,425,644/238,343,617.26
  6. Step 6: Final answer
    x = 98,732,498.94

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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.