Home / 90,083,266.10-135,124,899.15-51,819,514.10

Finding the Fourth Proportional to 90,083,266.10, 135,124,899.15 and 51,819,514.10

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Solution

The fourth proportional to 90,083,266.10, 135,124,899.15 and 51,819,514.10 is: 77,729,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,083,266.10 : 135,124,899.15 = 51,819,514.10 : x
  2. Step 2: Convert to fraction form
    90,083,266.10/135,124,899.15 = 51,819,514.10/x
  3. Step 3: Cross multiply
    90,083,266.10x = 135,124,899.15 × 51,819,514.10
  4. Step 4: Simplify right side
    90,083,266.10x = 7,002,106,616,764,504
  5. Step 5: Solve for x
    x = 7,002,106,616,764,504/90,083,266.10
  6. Step 6: Final answer
    x = 77,729,271.15

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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.