Home / 205,646,206.64-308,458,445.83-67,453,610.51

Finding the Fourth Proportional to 205,646,206.64, 308,458,445.83 and 67,453,610.51

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Solution

The fourth proportional to 205,646,206.64, 308,458,445.83 and 67,453,610.51 is: 101,176,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,646,206.64 : 308,458,445.83 = 67,453,610.51 : x
  2. Step 2: Convert to fraction form
    205,646,206.64/308,458,445.83 = 67,453,610.51/x
  3. Step 3: Cross multiply
    205,646,206.64x = 308,458,445.83 × 67,453,610.51
  4. Step 4: Simplify right side
    205,646,206.64x = 20,806,635,864,139,264
  5. Step 5: Solve for x
    x = 20,806,635,864,139,264/205,646,206.64
  6. Step 6: Final answer
    x = 101,176,852.25

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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.