Home / 147,995,559.20-221,993,338.80-145,728,077.60

Finding the Fourth Proportional to 147,995,559.20, 221,993,338.80 and 145,728,077.60

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Solution

The fourth proportional to 147,995,559.20, 221,993,338.80 and 145,728,077.60 is: 218,592,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,995,559.20 : 221,993,338.80 = 145,728,077.60 : x
  2. Step 2: Convert to fraction form
    147,995,559.20/221,993,338.80 = 145,728,077.60/x
  3. Step 3: Cross multiply
    147,995,559.20x = 221,993,338.80 × 145,728,077.60
  4. Step 4: Simplify right side
    147,995,559.20x = 32,350,662,503,329,492
  5. Step 5: Solve for x
    x = 32,350,662,503,329,492/147,995,559.20
  6. Step 6: Final answer
    x = 218,592,116.40

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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.