Home / 205,910,798.40-308,907,669.60-60,344,078.40

Finding the Fourth Proportional to 205,910,798.40, 308,907,669.60 and 60,344,078.40

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Solution

The fourth proportional to 205,910,798.40, 308,907,669.60 and 60,344,078.40 is: 90,528,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,910,798.40 : 308,907,669.60 = 60,344,078.40 : x
  2. Step 2: Convert to fraction form
    205,910,798.40/308,907,669.60 = 60,344,078.40/x
  3. Step 3: Cross multiply
    205,910,798.40x = 308,907,669.60 × 60,344,078.40
  4. Step 4: Simplify right side
    205,910,798.40x = 18,640,748,632,703,696
  5. Step 5: Solve for x
    x = 18,640,748,632,703,696/205,910,798.40
  6. Step 6: Final answer
    x = 90,528,271.36

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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.