Home / 225,630,347.58-311,341,114.29-131,520,948.47

Finding the Fourth Proportional to 225,630,347.58, 311,341,114.29 and 131,520,948.47

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Solution

The fourth proportional to 225,630,347.58, 311,341,114.29 and 131,520,948.47 is: 181,482,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,630,347.58 : 311,341,114.29 = 131,520,948.47 : x
  2. Step 2: Convert to fraction form
    225,630,347.58/311,341,114.29 = 131,520,948.47/x
  3. Step 3: Cross multiply
    225,630,347.58x = 311,341,114.29 × 131,520,948.47
  4. Step 4: Simplify right side
    225,630,347.58x = 40,947,878,648,063,968
  5. Step 5: Solve for x
    x = 40,947,878,648,063,968/225,630,347.58
  6. Step 6: Final answer
    x = 181,482,141.42

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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.