Home / 236,402,138.40-354,124,910.70-163,701,009.60

Finding the Fourth Proportional to 236,402,138.40, 354,124,910.70 and 163,701,009.60

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Solution

The fourth proportional to 236,402,138.40, 354,124,910.70 and 163,701,009.60 is: 245,220,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,402,138.40 : 354,124,910.70 = 163,701,009.60 : x
  2. Step 2: Convert to fraction form
    236,402,138.40/354,124,910.70 = 163,701,009.60/x
  3. Step 3: Cross multiply
    236,402,138.40x = 354,124,910.70 × 163,701,009.60
  4. Step 4: Simplify right side
    236,402,138.40x = 57,970,605,406,099,840
  5. Step 5: Solve for x
    x = 57,970,605,406,099,840/236,402,138.40
  6. Step 6: Final answer
    x = 245,220,308.91

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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.