Home / 31,136,955.45-42,968,741.81-17,008,153.53

Finding the Fourth Proportional to 31,136,955.45, 42,968,741.81 and 17,008,153.53

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Solution

The fourth proportional to 31,136,955.45, 42,968,741.81 and 17,008,153.53 is: 23,471,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,955.45 : 42,968,741.81 = 17,008,153.53 : x
  2. Step 2: Convert to fraction form
    31,136,955.45/42,968,741.81 = 17,008,153.53/x
  3. Step 3: Cross multiply
    31,136,955.45x = 42,968,741.81 × 17,008,153.53
  4. Step 4: Simplify right side
    31,136,955.45x = 730,818,957,610,369.38
  5. Step 5: Solve for x
    x = 730,818,957,610,369.38/31,136,955.45
  6. Step 6: Final answer
    x = 23,471,111.64

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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.