Home / 143,112,212.70-214,668,319.05-97,762,580.70

Finding the Fourth Proportional to 143,112,212.70, 214,668,319.05 and 97,762,580.70

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Solution

The fourth proportional to 143,112,212.70, 214,668,319.05 and 97,762,580.70 is: 146,643,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,112,212.70 : 214,668,319.05 = 97,762,580.70 : x
  2. Step 2: Convert to fraction form
    143,112,212.70/214,668,319.05 = 97,762,580.70/x
  3. Step 3: Cross multiply
    143,112,212.70x = 214,668,319.05 × 97,762,580.70
  4. Step 4: Simplify right side
    143,112,212.70x = 20,986,528,864,858,976
  5. Step 5: Solve for x
    x = 20,986,528,864,858,976/143,112,212.70
  6. Step 6: Final answer
    x = 146,643,871.05

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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.