Home / 107,856,030.80-161,784,046.20-47,389,854.80

Finding the Fourth Proportional to 107,856,030.80, 161,784,046.20 and 47,389,854.80

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Solution

The fourth proportional to 107,856,030.80, 161,784,046.20 and 47,389,854.80 is: 71,084,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856,030.80 : 161,784,046.20 = 47,389,854.80 : x
  2. Step 2: Convert to fraction form
    107,856,030.80/161,784,046.20 = 47,389,854.80/x
  3. Step 3: Cross multiply
    107,856,030.80x = 161,784,046.20 × 47,389,854.80
  4. Step 4: Simplify right side
    107,856,030.80x = 7,666,922,458,374,491
  5. Step 5: Solve for x
    x = 7,666,922,458,374,491/107,856,030.80
  6. Step 6: Final answer
    x = 71,084,782.20

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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.