Home / 232,590,602.25-320,977,183.45-128,172,410.16

Finding the Fourth Proportional to 232,590,602.25, 320,977,183.45 and 128,172,410.16

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Solution

The fourth proportional to 232,590,602.25, 320,977,183.45 and 128,172,410.16 is: 176,879,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590,602.25 : 320,977,183.45 = 128,172,410.16 : x
  2. Step 2: Convert to fraction form
    232,590,602.25/320,977,183.45 = 128,172,410.16/x
  3. Step 3: Cross multiply
    232,590,602.25x = 320,977,183.45 × 128,172,410.16
  4. Step 4: Simplify right side
    232,590,602.25x = 41,140,419,209,154,960
  5. Step 5: Solve for x
    x = 41,140,419,209,154,960/232,590,602.25
  6. Step 6: Final answer
    x = 176,879,112.10

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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.