Home / 220,051,587.60-330,077,381.40-142,567,489.80

Finding the Fourth Proportional to 220,051,587.60, 330,077,381.40 and 142,567,489.80

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Solution

The fourth proportional to 220,051,587.60, 330,077,381.40 and 142,567,489.80 is: 213,851,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051,587.60 : 330,077,381.40 = 142,567,489.80 : x
  2. Step 2: Convert to fraction form
    220,051,587.60/330,077,381.40 = 142,567,489.80/x
  3. Step 3: Cross multiply
    220,051,587.60x = 330,077,381.40 × 142,567,489.80
  4. Step 4: Simplify right side
    220,051,587.60x = 47,058,303,705,955,208
  5. Step 5: Solve for x
    x = 47,058,303,705,955,208/220,051,587.60
  6. Step 6: Final answer
    x = 213,851,234.70

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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.