Home / 146,709,077.90-220,063,616.85-135,623,612.30

Finding the Fourth Proportional to 146,709,077.90, 220,063,616.85 and 135,623,612.30

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Solution

The fourth proportional to 146,709,077.90, 220,063,616.85 and 135,623,612.30 is: 203,435,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709,077.90 : 220,063,616.85 = 135,623,612.30 : x
  2. Step 2: Convert to fraction form
    146,709,077.90/220,063,616.85 = 135,623,612.30/x
  3. Step 3: Cross multiply
    146,709,077.90x = 220,063,616.85 × 135,623,612.30
  4. Step 4: Simplify right side
    146,709,077.90x = 29,845,822,653,000,148
  5. Step 5: Solve for x
    x = 29,845,822,653,000,148/146,709,077.90
  6. Step 6: Final answer
    x = 203,435,418.45

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1.5x scale

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.