Home / 119,570,421.20-179,397,622.20-51,433,998.80

Finding the Fourth Proportional to 119,570,421.20, 179,397,622.20 and 51,433,998.80

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Solution

The fourth proportional to 119,570,421.20, 179,397,622.20 and 51,433,998.80 is: 77,169,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,570,421.20 : 179,397,622.20 = 51,433,998.80 : x
  2. Step 2: Convert to fraction form
    119,570,421.20/179,397,622.20 = 51,433,998.80/x
  3. Step 3: Cross multiply
    119,570,421.20x = 179,397,622.20 × 51,433,998.80
  4. Step 4: Simplify right side
    119,570,421.20x = 9,227,137,084,957,652
  5. Step 5: Solve for x
    x = 9,227,137,084,957,652/119,570,421.20
  6. Step 6: Final answer
    x = 77,169,060.65

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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.