Home / 122,120,999.40-183,181,499.10-70,464,934.20

Finding the Fourth Proportional to 122,120,999.40, 183,181,499.10 and 70,464,934.20

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Solution

The fourth proportional to 122,120,999.40, 183,181,499.10 and 70,464,934.20 is: 105,697,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,120,999.40 : 183,181,499.10 = 70,464,934.20 : x
  2. Step 2: Convert to fraction form
    122,120,999.40/183,181,499.10 = 70,464,934.20/x
  3. Step 3: Cross multiply
    122,120,999.40x = 183,181,499.10 × 70,464,934.20
  4. Step 4: Simplify right side
    122,120,999.40x = 12,907,872,280,738,860
  5. Step 5: Solve for x
    x = 12,907,872,280,738,860/122,120,999.40
  6. Step 6: Final answer
    x = 105,697,401.30

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1.5x scale

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.