Home / 168,038,781.40-252,058,172.10-157,835,114.20

Finding the Fourth Proportional to 168,038,781.40, 252,058,172.10 and 157,835,114.20

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Solution

The fourth proportional to 168,038,781.40, 252,058,172.10 and 157,835,114.20 is: 236,752,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038,781.40 : 252,058,172.10 = 157,835,114.20 : x
  2. Step 2: Convert to fraction form
    168,038,781.40/252,058,172.10 = 157,835,114.20/x
  3. Step 3: Cross multiply
    168,038,781.40x = 252,058,172.10 × 157,835,114.20
  4. Step 4: Simplify right side
    168,038,781.40x = 39,783,630,378,446,752
  5. Step 5: Solve for x
    x = 39,783,630,378,446,752/168,038,781.40
  6. Step 6: Final answer
    x = 236,752,671.30

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1.5x scale

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.