Home / 317,931,077.42-477,081,684.93-133,685,220.14

Finding the Fourth Proportional to 317,931,077.42, 477,081,684.93 and 133,685,220.14

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Solution

The fourth proportional to 317,931,077.42, 477,081,684.93 and 133,685,220.14 is: 200,605,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,931,077.42 : 477,081,684.93 = 133,685,220.14 : x
  2. Step 2: Convert to fraction form
    317,931,077.42/477,081,684.93 = 133,685,220.14/x
  3. Step 3: Cross multiply
    317,931,077.42x = 477,081,684.93 × 133,685,220.14
  4. Step 4: Simplify right side
    317,931,077.42x = 63,778,770,074,629,168
  5. Step 5: Solve for x
    x = 63,778,770,074,629,168/317,931,077.42
  6. Step 6: Final answer
    x = 200,605,648.85

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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.