Home / 161,685,117.40-242,529,749.70-53,979,741.40

Finding the Fourth Proportional to 161,685,117.40, 242,529,749.70 and 53,979,741.40

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Solution

The fourth proportional to 161,685,117.40, 242,529,749.70 and 53,979,741.40 is: 80,970,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,685,117.40 : 242,529,749.70 = 53,979,741.40 : x
  2. Step 2: Convert to fraction form
    161,685,117.40/242,529,749.70 = 53,979,741.40/x
  3. Step 3: Cross multiply
    161,685,117.40x = 242,529,749.70 × 53,979,741.40
  4. Step 4: Simplify right side
    161,685,117.40x = 13,091,693,170,612,726
  5. Step 5: Solve for x
    x = 13,091,693,170,612,726/161,685,117.40
  6. Step 6: Final answer
    x = 80,970,304.39

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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.