Home / 260,260,705.49-390,199,739.45-124,041,748.37

Finding the Fourth Proportional to 260,260,705.49, 390,199,739.45 and 124,041,748.37

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Solution

The fourth proportional to 260,260,705.49, 390,199,739.45 and 124,041,748.37 is: 185,971,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,260,705.49 : 390,199,739.45 = 124,041,748.37 : x
  2. Step 2: Convert to fraction form
    260,260,705.49/390,199,739.45 = 124,041,748.37/x
  3. Step 3: Cross multiply
    260,260,705.49x = 390,199,739.45 × 124,041,748.37
  4. Step 4: Simplify right side
    260,260,705.49x = 48,401,057,892,325,248
  5. Step 5: Solve for x
    x = 48,401,057,892,325,248/260,260,705.49
  6. Step 6: Final answer
    x = 185,971,438.92

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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.