Home / 427,111,906.50-640,603,127.12-116,243,747.14

Finding the Fourth Proportional to 427,111,906.50, 640,603,127.12 and 116,243,747.14

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Solution

The fourth proportional to 427,111,906.50, 640,603,127.12 and 116,243,747.14 is: 174,348,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,111,906.50 : 640,603,127.12 = 116,243,747.14 : x
  2. Step 2: Convert to fraction form
    427,111,906.50/640,603,127.12 = 116,243,747.14/x
  3. Step 3: Cross multiply
    427,111,906.50x = 640,603,127.12 × 116,243,747.14
  4. Step 4: Simplify right side
    427,111,906.50x = 74,466,107,926,030,560
  5. Step 5: Solve for x
    x = 74,466,107,926,030,560/427,111,906.50
  6. Step 6: Final answer
    x = 174,348,002.93

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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.