Home / 140,768,005.80-211,152,008.70-118,093,189.80

Finding the Fourth Proportional to 140,768,005.80, 211,152,008.70 and 118,093,189.80

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Solution

The fourth proportional to 140,768,005.80, 211,152,008.70 and 118,093,189.80 is: 177,139,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,768,005.80 : 211,152,008.70 = 118,093,189.80 : x
  2. Step 2: Convert to fraction form
    140,768,005.80/211,152,008.70 = 118,093,189.80/x
  3. Step 3: Cross multiply
    140,768,005.80x = 211,152,008.70 × 118,093,189.80
  4. Step 4: Simplify right side
    140,768,005.80x = 24,935,614,240,060,348
  5. Step 5: Solve for x
    x = 24,935,614,240,060,348/140,768,005.80
  6. Step 6: Final answer
    x = 177,139,784.70

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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.