Home / 171,598,530.55-257,300,859.45-156,956,749.76

Finding the Fourth Proportional to 171,598,530.55, 257,300,859.45 and 156,956,749.76

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Solution

The fourth proportional to 171,598,530.55, 257,300,859.45 and 156,956,749.76 is: 235,346,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,598,530.55 : 257,300,859.45 = 156,956,749.76 : x
  2. Step 2: Convert to fraction form
    171,598,530.55/257,300,859.45 = 156,956,749.76/x
  3. Step 3: Cross multiply
    171,598,530.55x = 257,300,859.45 × 156,956,749.76
  4. Step 4: Simplify right side
    171,598,530.55x = 40,385,106,608,440,072
  5. Step 5: Solve for x
    x = 40,385,106,608,440,072/171,598,530.55
  6. Step 6: Final answer
    x = 235,346,459.44

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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.