Home / 191,576,457.20-287,364,685.80-84,081,033.20

Finding the Fourth Proportional to 191,576,457.20, 287,364,685.80 and 84,081,033.20

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Solution

The fourth proportional to 191,576,457.20, 287,364,685.80 and 84,081,033.20 is: 126,121,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,576,457.20 : 287,364,685.80 = 84,081,033.20 : x
  2. Step 2: Convert to fraction form
    191,576,457.20/287,364,685.80 = 84,081,033.20/x
  3. Step 3: Cross multiply
    191,576,457.20x = 287,364,685.80 × 84,081,033.20
  4. Step 4: Simplify right side
    191,576,457.20x = 24,161,919,687,257,372
  5. Step 5: Solve for x
    x = 24,161,919,687,257,372/191,576,457.20
  6. Step 6: Final answer
    x = 126,121,549.80

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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.