Home / 230,308,889.70-345,463,334.55-74,862,397.20

Finding the Fourth Proportional to 230,308,889.70, 345,463,334.55 and 74,862,397.20

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Solution

The fourth proportional to 230,308,889.70, 345,463,334.55 and 74,862,397.20 is: 112,293,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,308,889.70 : 345,463,334.55 = 74,862,397.20 : x
  2. Step 2: Convert to fraction form
    230,308,889.70/345,463,334.55 = 74,862,397.20/x
  3. Step 3: Cross multiply
    230,308,889.70x = 345,463,334.55 × 74,862,397.20
  4. Step 4: Simplify right side
    230,308,889.70x = 25,862,213,369,118,584
  5. Step 5: Solve for x
    x = 25,862,213,369,118,584/230,308,889.70
  6. Step 6: Final answer
    x = 112,293,595.80

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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.