Home / 236,355,488-354,579,196.80-90,778,400

Finding the Fourth Proportional to 236,355,488, 354,579,196.80 and 90,778,400

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Solution

The fourth proportional to 236,355,488, 354,579,196.80 and 90,778,400 is: 136,185,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,355,488 : 354,579,196.80 = 90,778,400 : x
  2. Step 2: Convert to fraction form
    236,355,488/354,579,196.80 = 90,778,400/x
  3. Step 3: Cross multiply
    236,355,488x = 354,579,196.80 × 90,778,400
  4. Step 4: Simplify right side
    236,355,488x = 32,188,132,158,789,120
  5. Step 5: Solve for x
    x = 32,188,132,158,789,120/236,355,488
  6. Step 6: Final answer
    x = 136,185,253.96

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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.