Home / 155,154,214.26-214,114,252.68-85,542,086.25

Finding the Fourth Proportional to 155,154,214.26, 214,114,252.68 and 85,542,086.25

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Solution

The fourth proportional to 155,154,214.26, 214,114,252.68 and 85,542,086.25 is: 118,048,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,154,214.26 : 214,114,252.68 = 85,542,086.25 : x
  2. Step 2: Convert to fraction form
    155,154,214.26/214,114,252.68 = 85,542,086.25/x
  3. Step 3: Cross multiply
    155,154,214.26x = 214,114,252.68 × 85,542,086.25
  4. Step 4: Simplify right side
    155,154,214.26x = 18,315,779,870,106,856
  5. Step 5: Solve for x
    x = 18,315,779,870,106,856/155,154,214.26
  6. Step 6: Final answer
    x = 118,048,871.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.