Home / 145,156,749.80-217,735,124.70-133,567,399.40

Finding the Fourth Proportional to 145,156,749.80, 217,735,124.70 and 133,567,399.40

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Solution

The fourth proportional to 145,156,749.80, 217,735,124.70 and 133,567,399.40 is: 200,351,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,749.80 : 217,735,124.70 = 133,567,399.40 : x
  2. Step 2: Convert to fraction form
    145,156,749.80/217,735,124.70 = 133,567,399.40/x
  3. Step 3: Cross multiply
    145,156,749.80x = 217,735,124.70 × 133,567,399.40
  4. Step 4: Simplify right side
    145,156,749.80x = 29,082,314,364,213,704
  5. Step 5: Solve for x
    x = 29,082,314,364,213,704/145,156,749.80
  6. Step 6: Final answer
    x = 200,351,099.10

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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.