Home / 315,603,299.36-435,494,827.86-174,455,451.74

Finding the Fourth Proportional to 315,603,299.36, 435,494,827.86 and 174,455,451.74

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Solution

The fourth proportional to 315,603,299.36, 435,494,827.86 and 174,455,451.74 is: 240,727,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,603,299.36 : 435,494,827.86 = 174,455,451.74 : x
  2. Step 2: Convert to fraction form
    315,603,299.36/435,494,827.86 = 174,455,451.74/x
  3. Step 3: Cross multiply
    315,603,299.36x = 435,494,827.86 × 174,455,451.74
  4. Step 4: Simplify right side
    315,603,299.36x = 75,974,446,925,184,368
  5. Step 5: Solve for x
    x = 75,974,446,925,184,368/315,603,299.36
  6. Step 6: Final answer
    x = 240,727,670.08

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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.