Home / 192,457,266.40-288,685,899.60-190,756,655.20

Finding the Fourth Proportional to 192,457,266.40, 288,685,899.60 and 190,756,655.20

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Solution

The fourth proportional to 192,457,266.40, 288,685,899.60 and 190,756,655.20 is: 286,134,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,266.40 : 288,685,899.60 = 190,756,655.20 : x
  2. Step 2: Convert to fraction form
    192,457,266.40/288,685,899.60 = 190,756,655.20/x
  3. Step 3: Cross multiply
    192,457,266.40x = 288,685,899.60 × 190,756,655.20
  4. Step 4: Simplify right side
    192,457,266.40x = 55,068,756,611,099,016
  5. Step 5: Solve for x
    x = 55,068,756,611,099,016/192,457,266.40
  6. Step 6: Final answer
    x = 286,134,982.80

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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.