Home / 147,632,140.80-221,448,211.20-140,241,830.40

Finding the Fourth Proportional to 147,632,140.80, 221,448,211.20 and 140,241,830.40

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Solution

The fourth proportional to 147,632,140.80, 221,448,211.20 and 140,241,830.40 is: 210,362,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632,140.80 : 221,448,211.20 = 140,241,830.40 : x
  2. Step 2: Convert to fraction form
    147,632,140.80/221,448,211.20 = 140,241,830.40/x
  3. Step 3: Cross multiply
    147,632,140.80x = 221,448,211.20 × 140,241,830.40
  4. Step 4: Simplify right side
    147,632,140.80x = 31,056,302,477,493,780
  5. Step 5: Solve for x
    x = 31,056,302,477,493,780/147,632,140.80
  6. Step 6: Final answer
    x = 210,362,745.60

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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.