Home / 151,149,543.66-208,579,660.11-84,171,956.40

Finding the Fourth Proportional to 151,149,543.66, 208,579,660.11 and 84,171,956.40

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Solution

The fourth proportional to 151,149,543.66, 208,579,660.11 and 84,171,956.40 is: 116,153,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,149,543.66 : 208,579,660.11 = 84,171,956.40 : x
  2. Step 2: Convert to fraction form
    151,149,543.66/208,579,660.11 = 84,171,956.40/x
  3. Step 3: Cross multiply
    151,149,543.66x = 208,579,660.11 × 84,171,956.40
  4. Step 4: Simplify right side
    151,149,543.66x = 17,556,558,056,705,742
  5. Step 5: Solve for x
    x = 17,556,558,056,705,742/151,149,543.66
  6. Step 6: Final answer
    x = 116,153,563.10

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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.