Home / 80,879,438.40-121,319,157.60-35,529,806.40

Finding the Fourth Proportional to 80,879,438.40, 121,319,157.60 and 35,529,806.40

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Solution

The fourth proportional to 80,879,438.40, 121,319,157.60 and 35,529,806.40 is: 53,294,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,438.40 : 121,319,157.60 = 35,529,806.40 : x
  2. Step 2: Convert to fraction form
    80,879,438.40/121,319,157.60 = 35,529,806.40/x
  3. Step 3: Cross multiply
    80,879,438.40x = 121,319,157.60 × 35,529,806.40
  4. Step 4: Simplify right side
    80,879,438.40x = 4,310,446,182,139,088
  5. Step 5: Solve for x
    x = 4,310,446,182,139,088/80,879,438.40
  6. Step 6: Final answer
    x = 53,294,709.60

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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.