Home / 270,071,431.47-405,107,152.07-65,598,128.91

Finding the Fourth Proportional to 270,071,431.47, 405,107,152.07 and 65,598,128.91

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Solution

The fourth proportional to 270,071,431.47, 405,107,152.07 and 65,598,128.91 is: 98,397,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,071,431.47 : 405,107,152.07 = 65,598,128.91 : x
  2. Step 2: Convert to fraction form
    270,071,431.47/405,107,152.07 = 65,598,128.91/x
  3. Step 3: Cross multiply
    270,071,431.47x = 405,107,152.07 × 65,598,128.91
  4. Step 4: Simplify right side
    270,071,431.47x = 26,574,271,183,522,840
  5. Step 5: Solve for x
    x = 26,574,271,183,522,840/270,071,431.47
  6. Step 6: Final answer
    x = 98,397,194.55

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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.