Home / 155,024,894.26-213,934,236.54-85,410,275.14

Finding the Fourth Proportional to 155,024,894.26, 213,934,236.54 and 85,410,275.14

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Solution

The fourth proportional to 155,024,894.26, 213,934,236.54 and 85,410,275.14 is: 117,866,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,024,894.26 : 213,934,236.54 = 85,410,275.14 : x
  2. Step 2: Convert to fraction form
    155,024,894.26/213,934,236.54 = 85,410,275.14/x
  3. Step 3: Cross multiply
    155,024,894.26x = 213,934,236.54 × 85,410,275.14
  4. Step 4: Simplify right side
    155,024,894.26x = 18,272,182,004,935,228
  5. Step 5: Solve for x
    x = 18,272,182,004,935,228/155,024,894.26
  6. Step 6: Final answer
    x = 117,866,114.94

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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.