Home / 118,645,603.73-163,787,708.48-79,019,079.23

Finding the Fourth Proportional to 118,645,603.73, 163,787,708.48 and 79,019,079.23

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Solution

The fourth proportional to 118,645,603.73, 163,787,708.48 and 79,019,079.23 is: 109,084,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,645,603.73 : 163,787,708.48 = 79,019,079.23 : x
  2. Step 2: Convert to fraction form
    118,645,603.73/163,787,708.48 = 79,019,079.23/x
  3. Step 3: Cross multiply
    118,645,603.73x = 163,787,708.48 × 79,019,079.23
  4. Step 4: Simplify right side
    118,645,603.73x = 12,942,353,913,281,262
  5. Step 5: Solve for x
    x = 12,942,353,913,281,262/118,645,603.73
  6. Step 6: Final answer
    x = 109,084,142.24

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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.