Home / 155,118,008.83-214,062,800.03-85,504,552.24

Finding the Fourth Proportional to 155,118,008.83, 214,062,800.03 and 85,504,552.24

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Solution

The fourth proportional to 155,118,008.83, 214,062,800.03 and 85,504,552.24 is: 117,996,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,118,008.83 : 214,062,800.03 = 85,504,552.24 : x
  2. Step 2: Convert to fraction form
    155,118,008.83/214,062,800.03 = 85,504,552.24/x
  3. Step 3: Cross multiply
    155,118,008.83x = 214,062,800.03 × 85,504,552.24
  4. Step 4: Simplify right side
    155,118,008.83x = 18,303,343,867,805,808
  5. Step 5: Solve for x
    x = 18,303,343,867,805,808/155,118,008.83
  6. Step 6: Final answer
    x = 117,996,253.34

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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.