Home / 208,508,629.40-286,721,541.78-180,958,727.96

Finding the Fourth Proportional to 208,508,629.40, 286,721,541.78 and 180,958,727.96

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Solution

The fourth proportional to 208,508,629.40, 286,721,541.78 and 180,958,727.96 is: 248,837,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,508,629.40 : 286,721,541.78 = 180,958,727.96 : x
  2. Step 2: Convert to fraction form
    208,508,629.40/286,721,541.78 = 180,958,727.96/x
  3. Step 3: Cross multiply
    208,508,629.40x = 286,721,541.78 × 180,958,727.96
  4. Step 4: Simplify right side
    208,508,629.40x = 51,884,765,479,238,792
  5. Step 5: Solve for x
    x = 51,884,765,479,238,792/208,508,629.40
  6. Step 6: Final answer
    x = 248,837,497.17

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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.