Home / 315,603,302.12-435,494,831.65-174,455,454.50

Finding the Fourth Proportional to 315,603,302.12, 435,494,831.65 and 174,455,454.50

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Solution

The fourth proportional to 315,603,302.12, 435,494,831.65 and 174,455,454.50 is: 240,727,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,603,302.12 : 435,494,831.65 = 174,455,454.50 : x
  2. Step 2: Convert to fraction form
    315,603,302.12/435,494,831.65 = 174,455,454.50/x
  3. Step 3: Cross multiply
    315,603,302.12x = 435,494,831.65 × 174,455,454.50
  4. Step 4: Simplify right side
    315,603,302.12x = 75,974,448,784,851,984
  5. Step 5: Solve for x
    x = 75,974,448,784,851,984/315,603,302.12
  6. Step 6: Final answer
    x = 240,727,673.87

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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.