Home / 207,630,228.40-311,445,342.60-100,134,804.40

Finding the Fourth Proportional to 207,630,228.40, 311,445,342.60 and 100,134,804.40

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Solution

The fourth proportional to 207,630,228.40, 311,445,342.60 and 100,134,804.40 is: 150,202,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,630,228.40 : 311,445,342.60 = 100,134,804.40 : x
  2. Step 2: Convert to fraction form
    207,630,228.40/311,445,342.60 = 100,134,804.40/x
  3. Step 3: Cross multiply
    207,630,228.40x = 311,445,342.60 × 100,134,804.40
  4. Step 4: Simplify right side
    207,630,228.40x = 31,186,518,462,541,992
  5. Step 5: Solve for x
    x = 31,186,518,462,541,992/207,630,228.40
  6. Step 6: Final answer
    x = 150,202,206.60

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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.