Home / 145,490,976.63-218,271,211.65-48,447,525.33

Finding the Fourth Proportional to 145,490,976.63, 218,271,211.65 and 48,447,525.33

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Solution

The fourth proportional to 145,490,976.63, 218,271,211.65 and 48,447,525.33 is: 72,682,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,490,976.63 : 218,271,211.65 = 48,447,525.33 : x
  2. Step 2: Convert to fraction form
    145,490,976.63/218,271,211.65 = 48,447,525.33/x
  3. Step 3: Cross multiply
    145,490,976.63x = 218,271,211.65 × 48,447,525.33
  4. Step 4: Simplify right side
    145,490,976.63x = 10,574,700,055,223,166
  5. Step 5: Solve for x
    x = 10,574,700,055,223,166/145,490,976.63
  6. Step 6: Final answer
    x = 72,682,858.42

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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.