Home / 210,986,926.24-291,069,210.72-127,308,383.32

Finding the Fourth Proportional to 210,986,926.24, 291,069,210.72 and 127,308,383.32

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Solution

The fourth proportional to 210,986,926.24, 291,069,210.72 and 127,308,383.32 is: 175,629,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,986,926.24 : 291,069,210.72 = 127,308,383.32 : x
  2. Step 2: Convert to fraction form
    210,986,926.24/291,069,210.72 = 127,308,383.32/x
  3. Step 3: Cross multiply
    210,986,926.24x = 291,069,210.72 × 127,308,383.32
  4. Step 4: Simplify right side
    210,986,926.24x = 37,055,550,650,991,616
  5. Step 5: Solve for x
    x = 37,055,550,650,991,616/210,986,926.24
  6. Step 6: Final answer
    x = 175,629,605.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.