Home / 139,712,917,847.60-209,569,376,771.40-89,503,222,473.20

Finding the Fourth Proportional to 139,712,917,847.60, 209,569,376,771.40 and 89,503,222,473.20

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Solution

The fourth proportional to 139,712,917,847.60, 209,569,376,771.40 and 89,503,222,473.20 is: 134,254,833,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,712,917,847.60 : 209,569,376,771.40 = 89,503,222,473.20 : x
  2. Step 2: Convert to fraction form
    139,712,917,847.60/209,569,376,771.40 = 89,503,222,473.20/x
  3. Step 3: Cross multiply
    139,712,917,847.60x = 209,569,376,771.40 × 89,503,222,473.20
  4. Step 4: Simplify right side
    139,712,917,847.60x = 18,757,134,552,740,485,136,384
  5. Step 5: Solve for x
    x = 18,757,134,552,740,485,136,384/139,712,917,847.60
  6. Step 6: Final answer
    x = 134,254,833,709.80

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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.