Home / 315,603,296.49-435,494,823.89-174,455,448.87

Finding the Fourth Proportional to 315,603,296.49, 435,494,823.89 and 174,455,448.87

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Solution

The fourth proportional to 315,603,296.49, 435,494,823.89 and 174,455,448.87 is: 240,727,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,603,296.49 : 435,494,823.89 = 174,455,448.87 : x
  2. Step 2: Convert to fraction form
    315,603,296.49/435,494,823.89 = 174,455,448.87/x
  3. Step 3: Cross multiply
    315,603,296.49x = 435,494,823.89 × 174,455,448.87
  4. Step 4: Simplify right side
    315,603,296.49x = 75,974,444,982,291,552
  5. Step 5: Solve for x
    x = 75,974,444,982,291,552/315,603,296.49
  6. Step 6: Final answer
    x = 240,727,666.12

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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.