Home / 174,285,421.40-261,428,132.10-83,586,157.40

Finding the Fourth Proportional to 174,285,421.40, 261,428,132.10 and 83,586,157.40

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Solution

The fourth proportional to 174,285,421.40, 261,428,132.10 and 83,586,157.40 is: 125,379,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,285,421.40 : 261,428,132.10 = 83,586,157.40 : x
  2. Step 2: Convert to fraction form
    174,285,421.40/261,428,132.10 = 83,586,157.40/x
  3. Step 3: Cross multiply
    174,285,421.40x = 261,428,132.10 × 83,586,157.40
  4. Step 4: Simplify right side
    174,285,421.40x = 21,851,772,998,498,592
  5. Step 5: Solve for x
    x = 21,851,772,998,498,592/174,285,421.40
  6. Step 6: Final answer
    x = 125,379,236.10

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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.