Home / 232,599,509.40-320,989,445.82-128,181,327.24

Finding the Fourth Proportional to 232,599,509.40, 320,989,445.82 and 128,181,327.24

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Solution

The fourth proportional to 232,599,509.40, 320,989,445.82 and 128,181,327.24 is: 176,891,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,599,509.40 : 320,989,445.82 = 128,181,327.24 : x
  2. Step 2: Convert to fraction form
    232,599,509.40/320,989,445.82 = 128,181,327.24/x
  3. Step 3: Cross multiply
    232,599,509.40x = 320,989,445.82 × 128,181,327.24
  4. Step 4: Simplify right side
    232,599,509.40x = 41,144,853,195,239,664
  5. Step 5: Solve for x
    x = 41,144,853,195,239,664/232,599,509.40
  6. Step 6: Final answer
    x = 176,891,401.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.