Home / 143,074,811.20-214,627,963.20-46,014,001.60

Finding the Fourth Proportional to 143,074,811.20, 214,627,963.20 and 46,014,001.60

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Solution

The fourth proportional to 143,074,811.20, 214,627,963.20 and 46,014,001.60 is: 69,026,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,074,811.20 : 214,627,963.20 = 46,014,001.60 : x
  2. Step 2: Convert to fraction form
    143,074,811.20/214,627,963.20 = 46,014,001.60/x
  3. Step 3: Cross multiply
    143,074,811.20x = 214,627,963.20 × 46,014,001.60
  4. Step 4: Simplify right side
    143,074,811.20x = 9,875,891,442,089,540
  5. Step 5: Solve for x
    x = 9,875,891,442,089,540/143,074,811.20
  6. Step 6: Final answer
    x = 69,026,066.57

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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.