Home / 118,565,009-163,619,712.42-64,301,201

Finding the Fourth Proportional to 118,565,009, 163,619,712.42 and 64,301,201

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Solution

The fourth proportional to 118,565,009, 163,619,712.42 and 64,301,201 is: 88,735,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565,009 : 163,619,712.42 = 64,301,201 : x
  2. Step 2: Convert to fraction form
    118,565,009/163,619,712.42 = 64,301,201/x
  3. Step 3: Cross multiply
    118,565,009x = 163,619,712.42 × 64,301,201
  4. Step 4: Simplify right side
    118,565,009x = 10,520,944,015,880,616
  5. Step 5: Solve for x
    x = 10,520,944,015,880,616/118,565,009
  6. Step 6: Final answer
    x = 88,735,657.38

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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.