Home / 121,085,168.20-181,627,752.30-84,734,603.80

Finding the Fourth Proportional to 121,085,168.20, 181,627,752.30 and 84,734,603.80

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Solution

The fourth proportional to 121,085,168.20, 181,627,752.30 and 84,734,603.80 is: 127,101,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085,168.20 : 181,627,752.30 = 84,734,603.80 : x
  2. Step 2: Convert to fraction form
    121,085,168.20/181,627,752.30 = 84,734,603.80/x
  3. Step 3: Cross multiply
    121,085,168.20x = 181,627,752.30 × 84,734,603.80
  4. Step 4: Simplify right side
    121,085,168.20x = 15,390,155,630,225,040
  5. Step 5: Solve for x
    x = 15,390,155,630,225,040/121,085,168.20
  6. Step 6: Final answer
    x = 127,101,905.70

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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.