Home / 217,205,709.40-325,808,564.10-193,397,152.60

Finding the Fourth Proportional to 217,205,709.40, 325,808,564.10 and 193,397,152.60

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Solution

The fourth proportional to 217,205,709.40, 325,808,564.10 and 193,397,152.60 is: 290,095,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,205,709.40 : 325,808,564.10 = 193,397,152.60 : x
  2. Step 2: Convert to fraction form
    217,205,709.40/325,808,564.10 = 193,397,152.60/x
  3. Step 3: Cross multiply
    217,205,709.40x = 325,808,564.10 × 193,397,152.60
  4. Step 4: Simplify right side
    217,205,709.40x = 63,010,448,589,634,584
  5. Step 5: Solve for x
    x = 63,010,448,589,634,584/217,205,709.40
  6. Step 6: Final answer
    x = 290,095,728.90

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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.