Home / 140,134,675.10-193,382,103.45-77,409,423.10

Finding the Fourth Proportional to 140,134,675.10, 193,382,103.45 and 77,409,423.10

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Solution

The fourth proportional to 140,134,675.10, 193,382,103.45 and 77,409,423.10 is: 106,822,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,134,675.10 : 193,382,103.45 = 77,409,423.10 : x
  2. Step 2: Convert to fraction form
    140,134,675.10/193,382,103.45 = 77,409,423.10/x
  3. Step 3: Cross multiply
    140,134,675.10x = 193,382,103.45 × 77,409,423.10
  4. Step 4: Simplify right side
    140,134,675.10x = 14,969,597,066,461,032
  5. Step 5: Solve for x
    x = 14,969,597,066,461,032/140,134,675.10
  6. Step 6: Final answer
    x = 106,822,933.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.