Home / 314,930,771.20-472,396,156.80-96,614,808.40

Finding the Fourth Proportional to 314,930,771.20, 472,396,156.80 and 96,614,808.40

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Solution

The fourth proportional to 314,930,771.20, 472,396,156.80 and 96,614,808.40 is: 144,922,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,771.20 : 472,396,156.80 = 96,614,808.40 : x
  2. Step 2: Convert to fraction form
    314,930,771.20/472,396,156.80 = 96,614,808.40/x
  3. Step 3: Cross multiply
    314,930,771.20x = 472,396,156.80 × 96,614,808.40
  4. Step 4: Simplify right side
    314,930,771.20x = 45,640,464,178,128,360
  5. Step 5: Solve for x
    x = 45,640,464,178,128,360/314,930,771.20
  6. Step 6: Final answer
    x = 144,922,212.60

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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.