Home / 120,776,421.60-181,164,632.40-29,900,010.60

Finding the Fourth Proportional to 120,776,421.60, 181,164,632.40 and 29,900,010.60

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Solution

The fourth proportional to 120,776,421.60, 181,164,632.40 and 29,900,010.60 is: 44,850,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,776,421.60 : 181,164,632.40 = 29,900,010.60 : x
  2. Step 2: Convert to fraction form
    120,776,421.60/181,164,632.40 = 29,900,010.60/x
  3. Step 3: Cross multiply
    120,776,421.60x = 181,164,632.40 × 29,900,010.60
  4. Step 4: Simplify right side
    120,776,421.60x = 5,416,824,429,105,104
  5. Step 5: Solve for x
    x = 5,416,824,429,105,104/120,776,421.60
  6. Step 6: Final answer
    x = 44,850,015.90

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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.