Home / 143,289,564.90-214,934,347.35-140,898,080.40

Finding the Fourth Proportional to 143,289,564.90, 214,934,347.35 and 140,898,080.40

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Solution

The fourth proportional to 143,289,564.90, 214,934,347.35 and 140,898,080.40 is: 211,347,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,289,564.90 : 214,934,347.35 = 140,898,080.40 : x
  2. Step 2: Convert to fraction form
    143,289,564.90/214,934,347.35 = 140,898,080.40/x
  3. Step 3: Cross multiply
    143,289,564.90x = 214,934,347.35 × 140,898,080.40
  4. Step 4: Simplify right side
    143,289,564.90x = 30,283,836,953,641,828
  5. Step 5: Solve for x
    x = 30,283,836,953,641,828/143,289,564.90
  6. Step 6: Final answer
    x = 211,347,120.60

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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.