Home / 136,021,597.76-203,911,594.08-53,004,128.96

Finding the Fourth Proportional to 136,021,597.76, 203,911,594.08 and 53,004,128.96

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Solution

The fourth proportional to 136,021,597.76, 203,911,594.08 and 53,004,128.96 is: 79,459,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,021,597.76 : 203,911,594.08 = 53,004,128.96 : x
  2. Step 2: Convert to fraction form
    136,021,597.76/203,911,594.08 = 53,004,128.96/x
  3. Step 3: Cross multiply
    136,021,597.76x = 203,911,594.08 × 53,004,128.96
  4. Step 4: Simplify right side
    136,021,597.76x = 10,808,156,429,055,494
  5. Step 5: Solve for x
    x = 10,808,156,429,055,494/136,021,597.76
  6. Step 6: Final answer
    x = 79,459,119.78

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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.