Home / 140,134,675.85-193,382,104.49-77,409,423.86

Finding the Fourth Proportional to 140,134,675.85, 193,382,104.49 and 77,409,423.86

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Solution

The fourth proportional to 140,134,675.85, 193,382,104.49 and 77,409,423.86 is: 106,822,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,134,675.85 : 193,382,104.49 = 77,409,423.86 : x
  2. Step 2: Convert to fraction form
    140,134,675.85/193,382,104.49 = 77,409,423.86/x
  3. Step 3: Cross multiply
    140,134,675.85x = 193,382,104.49 × 77,409,423.86
  4. Step 4: Simplify right side
    140,134,675.85x = 14,969,597,292,051,264
  5. Step 5: Solve for x
    x = 14,969,597,292,051,264/140,134,675.85
  6. Step 6: Final answer
    x = 106,822,934.45

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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.