Home / 31,095,461.89-42,913,035.16-17,157,721.03

Finding the Fourth Proportional to 31,095,461.89, 42,913,035.16 and 17,157,721.03

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Solution

The fourth proportional to 31,095,461.89, 42,913,035.16 and 17,157,721.03 is: 23,678,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095,461.89 : 42,913,035.16 = 17,157,721.03 : x
  2. Step 2: Convert to fraction form
    31,095,461.89/42,913,035.16 = 17,157,721.03/x
  3. Step 3: Cross multiply
    31,095,461.89x = 42,913,035.16 × 17,157,721.03
  4. Step 4: Simplify right side
    31,095,461.89x = 736,289,885,735,977.38
  5. Step 5: Solve for x
    x = 736,289,885,735,977.38/31,095,461.89
  6. Step 6: Final answer
    x = 23,678,371.09

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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.