Home / 218,734,438.40-328,101,657.60-57,176,374.40

Finding the Fourth Proportional to 218,734,438.40, 328,101,657.60 and 57,176,374.40

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Solution

The fourth proportional to 218,734,438.40, 328,101,657.60 and 57,176,374.40 is: 85,764,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,734,438.40 : 328,101,657.60 = 57,176,374.40 : x
  2. Step 2: Convert to fraction form
    218,734,438.40/328,101,657.60 = 57,176,374.40/x
  3. Step 3: Cross multiply
    218,734,438.40x = 328,101,657.60 × 57,176,374.40
  4. Step 4: Simplify right side
    218,734,438.40x = 18,759,663,216,198,208
  5. Step 5: Solve for x
    x = 18,759,663,216,198,208/218,734,438.40
  6. Step 6: Final answer
    x = 85,764,561.60

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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.