Home / 191,491,462.80-287,237,194.20-53,316,802.80

Finding the Fourth Proportional to 191,491,462.80, 287,237,194.20 and 53,316,802.80

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Solution

The fourth proportional to 191,491,462.80, 287,237,194.20 and 53,316,802.80 is: 79,975,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,491,462.80 : 287,237,194.20 = 53,316,802.80 : x
  2. Step 2: Convert to fraction form
    191,491,462.80/287,237,194.20 = 53,316,802.80/x
  3. Step 3: Cross multiply
    191,491,462.80x = 287,237,194.20 × 53,316,802.80
  4. Step 4: Simplify right side
    191,491,462.80x = 15,314,568,839,986,702
  5. Step 5: Solve for x
    x = 15,314,568,839,986,702/191,491,462.80
  6. Step 6: Final answer
    x = 79,975,204.20

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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.