Home / 103,686,556.30-155,529,834.45-92,601,090.70

Finding the Fourth Proportional to 103,686,556.30, 155,529,834.45 and 92,601,090.70

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Solution

The fourth proportional to 103,686,556.30, 155,529,834.45 and 92,601,090.70 is: 138,901,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686,556.30 : 155,529,834.45 = 92,601,090.70 : x
  2. Step 2: Convert to fraction form
    103,686,556.30/155,529,834.45 = 92,601,090.70/x
  3. Step 3: Cross multiply
    103,686,556.30x = 155,529,834.45 × 92,601,090.70
  4. Step 4: Simplify right side
    103,686,556.30x = 14,402,232,306,460,434
  5. Step 5: Solve for x
    x = 14,402,232,306,460,434/103,686,556.30
  6. Step 6: Final answer
    x = 138,901,636.05

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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.