Home / 143,151,542.10-214,711,232.90-39,535,477.74

Finding the Fourth Proportional to 143,151,542.10, 214,711,232.90 and 39,535,477.74

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Solution

The fourth proportional to 143,151,542.10, 214,711,232.90 and 39,535,477.74 is: 59,298,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,151,542.10 : 214,711,232.90 = 39,535,477.74 : x
  2. Step 2: Convert to fraction form
    143,151,542.10/214,711,232.90 = 39,535,477.74/x
  3. Step 3: Cross multiply
    143,151,542.10x = 214,711,232.90 × 39,535,477.74
  4. Step 4: Simplify right side
    143,151,542.10x = 8,488,711,168,648,229
  5. Step 5: Solve for x
    x = 8,488,711,168,648,229/143,151,542.10
  6. Step 6: Final answer
    x = 59,298,775.58

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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.