Home / 128,094,130.92-176,637,775.96-109,570,589.76

Finding the Fourth Proportional to 128,094,130.92, 176,637,775.96 and 109,570,589.76

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Solution

The fourth proportional to 128,094,130.92, 176,637,775.96 and 109,570,589.76 is: 151,094,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,094,130.92 : 176,637,775.96 = 109,570,589.76 : x
  2. Step 2: Convert to fraction form
    128,094,130.92/176,637,775.96 = 109,570,589.76/x
  3. Step 3: Cross multiply
    128,094,130.92x = 176,637,775.96 × 109,570,589.76
  4. Step 4: Simplify right side
    128,094,130.92x = 19,354,305,285,831,952
  5. Step 5: Solve for x
    x = 19,354,305,285,831,952/128,094,130.92
  6. Step 6: Final answer
    x = 151,094,395.56

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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.