Home / 168,984,918.20-254,018,586.90-157,003,657.40

Finding the Fourth Proportional to 168,984,918.20, 254,018,586.90 and 157,003,657.40

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Solution

The fourth proportional to 168,984,918.20, 254,018,586.90 and 157,003,657.40 is: 236,008,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,984,918.20 : 254,018,586.90 = 157,003,657.40 : x
  2. Step 2: Convert to fraction form
    168,984,918.20/254,018,586.90 = 157,003,657.40/x
  3. Step 3: Cross multiply
    168,984,918.20x = 254,018,586.90 × 157,003,657.40
  4. Step 4: Simplify right side
    168,984,918.20x = 39,881,847,190,879,728
  5. Step 5: Solve for x
    x = 39,881,847,190,879,728/168,984,918.20
  6. Step 6: Final answer
    x = 236,008,323.20

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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.