Home / 153,400,683.46-211,693,589.66-86,420,445.22

Finding the Fourth Proportional to 153,400,683.46, 211,693,589.66 and 86,420,445.22

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Solution

The fourth proportional to 153,400,683.46, 211,693,589.66 and 86,420,445.22 is: 119,260,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,400,683.46 : 211,693,589.66 = 86,420,445.22 : x
  2. Step 2: Convert to fraction form
    153,400,683.46/211,693,589.66 = 86,420,445.22/x
  3. Step 3: Cross multiply
    153,400,683.46x = 211,693,589.66 × 86,420,445.22
  4. Step 4: Simplify right side
    153,400,683.46x = 18,294,654,269,029,104
  5. Step 5: Solve for x
    x = 18,294,654,269,029,104/153,400,683.46
  6. Step 6: Final answer
    x = 119,260,578.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.