Home / 143,108,851.80-214,663,277.70-47,370,739.80

Finding the Fourth Proportional to 143,108,851.80, 214,663,277.70 and 47,370,739.80

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Solution

The fourth proportional to 143,108,851.80, 214,663,277.70 and 47,370,739.80 is: 71,056,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,108,851.80 : 214,663,277.70 = 47,370,739.80 : x
  2. Step 2: Convert to fraction form
    143,108,851.80/214,663,277.70 = 47,370,739.80/x
  3. Step 3: Cross multiply
    143,108,851.80x = 214,663,277.70 × 47,370,739.80
  4. Step 4: Simplify right side
    143,108,851.80x = 10,168,758,272,541,842
  5. Step 5: Solve for x
    x = 10,168,758,272,541,842/143,108,851.80
  6. Step 6: Final answer
    x = 71,056,109.70

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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.