Home / 147,983,999.60-221,975,999.40-140,929,612.40

Finding the Fourth Proportional to 147,983,999.60, 221,975,999.40 and 140,929,612.40

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Solution

The fourth proportional to 147,983,999.60, 221,975,999.40 and 140,929,612.40 is: 211,394,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,983,999.60 : 221,975,999.40 = 140,929,612.40 : x
  2. Step 2: Convert to fraction form
    147,983,999.60/221,975,999.40 = 140,929,612.40/x
  3. Step 3: Cross multiply
    147,983,999.60x = 221,975,999.40 × 140,929,612.40
  4. Step 4: Simplify right side
    147,983,999.60x = 31,282,991,557,544,636
  5. Step 5: Solve for x
    x = 31,282,991,557,544,636/147,983,999.60
  6. Step 6: Final answer
    x = 211,394,418.60

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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.