Home / 192,457,190.40-288,685,785.60-190,756,579.20

Finding the Fourth Proportional to 192,457,190.40, 288,685,785.60 and 190,756,579.20

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Solution

The fourth proportional to 192,457,190.40, 288,685,785.60 and 190,756,579.20 is: 286,134,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,190.40 : 288,685,785.60 = 190,756,579.20 : x
  2. Step 2: Convert to fraction form
    192,457,190.40/288,685,785.60 = 190,756,579.20/x
  3. Step 3: Cross multiply
    192,457,190.40x = 288,685,785.60 × 190,756,579.20
  4. Step 4: Simplify right side
    192,457,190.40x = 55,068,712,924,720,624
  5. Step 5: Solve for x
    x = 55,068,712,924,720,624/192,457,190.40
  6. Step 6: Final answer
    x = 286,134,868.80

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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.