Home / 216,525,014.64-298,804,200.48-117,405,581.92

Finding the Fourth Proportional to 216,525,014.64, 298,804,200.48 and 117,405,581.92

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Solution

The fourth proportional to 216,525,014.64, 298,804,200.48 and 117,405,581.92 is: 162,019,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,525,014.64 : 298,804,200.48 = 117,405,581.92 : x
  2. Step 2: Convert to fraction form
    216,525,014.64/298,804,200.48 = 117,405,581.92/x
  3. Step 3: Cross multiply
    216,525,014.64x = 298,804,200.48 × 117,405,581.92
  4. Step 4: Simplify right side
    216,525,014.64x = 35,081,281,037,494,748
  5. Step 5: Solve for x
    x = 35,081,281,037,494,748/216,525,014.64
  6. Step 6: Final answer
    x = 162,019,529.69

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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.