Home / 140,595,389.70-211,017,500.55-83,015,664.90

Finding the Fourth Proportional to 140,595,389.70, 211,017,500.55 and 83,015,664.90

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Solution

The fourth proportional to 140,595,389.70, 211,017,500.55 and 83,015,664.90 is: 124,596,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,595,389.70 : 211,017,500.55 = 83,015,664.90 : x
  2. Step 2: Convert to fraction form
    140,595,389.70/211,017,500.55 = 83,015,664.90/x
  3. Step 3: Cross multiply
    140,595,389.70x = 211,017,500.55 × 83,015,664.90
  4. Step 4: Simplify right side
    140,595,389.70x = 17,517,758,113,694,368
  5. Step 5: Solve for x
    x = 17,517,758,113,694,368/140,595,389.70
  6. Step 6: Final answer
    x = 124,596,959.77

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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.