Home / 252,742,430.10-379,113,645.15-143,903,313.30

Finding the Fourth Proportional to 252,742,430.10, 379,113,645.15 and 143,903,313.30

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Solution

The fourth proportional to 252,742,430.10, 379,113,645.15 and 143,903,313.30 is: 215,854,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,742,430.10 : 379,113,645.15 = 143,903,313.30 : x
  2. Step 2: Convert to fraction form
    252,742,430.10/379,113,645.15 = 143,903,313.30/x
  3. Step 3: Cross multiply
    252,742,430.10x = 379,113,645.15 × 143,903,313.30
  4. Step 4: Simplify right side
    252,742,430.10x = 54,555,709,654,325,480
  5. Step 5: Solve for x
    x = 54,555,709,654,325,480/252,742,430.10
  6. Step 6: Final answer
    x = 215,854,969.95

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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.