Home / 207,630,327.40-311,445,491.10-100,134,903.40

Finding the Fourth Proportional to 207,630,327.40, 311,445,491.10 and 100,134,903.40

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Solution

The fourth proportional to 207,630,327.40, 311,445,491.10 and 100,134,903.40 is: 150,202,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,630,327.40 : 311,445,491.10 = 100,134,903.40 : x
  2. Step 2: Convert to fraction form
    207,630,327.40/311,445,491.10 = 100,134,903.40/x
  3. Step 3: Cross multiply
    207,630,327.40x = 311,445,491.10 × 100,134,903.40
  4. Step 4: Simplify right side
    207,630,327.40x = 31,186,564,165,664,064
  5. Step 5: Solve for x
    x = 31,186,564,165,664,064/207,630,327.40
  6. Step 6: Final answer
    x = 150,202,355.10

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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.