Home / 136,409,789.34-204,631,710.95-53,400,820.19

Finding the Fourth Proportional to 136,409,789.34, 204,631,710.95 and 53,400,820.19

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Solution

The fourth proportional to 136,409,789.34, 204,631,710.95 and 53,400,820.19 is: 80,107,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,409,789.34 : 204,631,710.95 = 53,400,820.19 : x
  2. Step 2: Convert to fraction form
    136,409,789.34/204,631,710.95 = 53,400,820.19/x
  3. Step 3: Cross multiply
    136,409,789.34x = 204,631,710.95 × 53,400,820.19
  4. Step 4: Simplify right side
    136,409,789.34x = 10,927,501,200,723,348
  5. Step 5: Solve for x
    x = 10,927,501,200,723,348/136,409,789.34
  6. Step 6: Final answer
    x = 80,107,895.87

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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.