Home / 112,889,950.08-169,280,147.52-66,216,186.24

Finding the Fourth Proportional to 112,889,950.08, 169,280,147.52 and 66,216,186.24

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Solution

The fourth proportional to 112,889,950.08, 169,280,147.52 and 66,216,186.24 is: 99,292,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889,950.08 : 169,280,147.52 = 66,216,186.24 : x
  2. Step 2: Convert to fraction form
    112,889,950.08/169,280,147.52 = 66,216,186.24/x
  3. Step 3: Cross multiply
    112,889,950.08x = 169,280,147.52 × 66,216,186.24
  4. Step 4: Simplify right side
    112,889,950.08x = 11,209,085,774,918,996
  5. Step 5: Solve for x
    x = 11,209,085,774,918,996/112,889,950.08
  6. Step 6: Final answer
    x = 99,292,149.27

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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.