Home / 165,621,955.60-228,548,970.08-91,282,289.68

Finding the Fourth Proportional to 165,621,955.60, 228,548,970.08 and 91,282,289.68

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Solution

The fourth proportional to 165,621,955.60, 228,548,970.08 and 91,282,289.68 is: 125,964,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,621,955.60 : 228,548,970.08 = 91,282,289.68 : x
  2. Step 2: Convert to fraction form
    165,621,955.60/228,548,970.08 = 91,282,289.68/x
  3. Step 3: Cross multiply
    165,621,955.60x = 228,548,970.08 × 91,282,289.68
  4. Step 4: Simplify right side
    165,621,955.60x = 20,862,473,292,908,216
  5. Step 5: Solve for x
    x = 20,862,473,292,908,216/165,621,955.60
  6. Step 6: Final answer
    x = 125,964,418.29

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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.