Home / 252,742,433.85-379,113,650.78-143,903,317.05

Finding the Fourth Proportional to 252,742,433.85, 379,113,650.78 and 143,903,317.05

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Solution

The fourth proportional to 252,742,433.85, 379,113,650.78 and 143,903,317.05 is: 215,854,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,742,433.85 : 379,113,650.78 = 143,903,317.05 : x
  2. Step 2: Convert to fraction form
    252,742,433.85/379,113,650.78 = 143,903,317.05/x
  3. Step 3: Cross multiply
    252,742,433.85x = 379,113,650.78 × 143,903,317.05
  4. Step 4: Simplify right side
    252,742,433.85x = 54,555,711,885,457,808
  5. Step 5: Solve for x
    x = 54,555,711,885,457,808/252,742,433.85
  6. Step 6: Final answer
    x = 215,854,975.58

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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.