Home / 260,973,247.18-359,808,760.74-213,756,376.45

Finding the Fourth Proportional to 260,973,247.18, 359,808,760.74 and 213,756,376.45

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Solution

The fourth proportional to 260,973,247.18, 359,808,760.74 and 213,756,376.45 is: 294,709,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,973,247.18 : 359,808,760.74 = 213,756,376.45 : x
  2. Step 2: Convert to fraction form
    260,973,247.18/359,808,760.74 = 213,756,376.45/x
  3. Step 3: Cross multiply
    260,973,247.18x = 359,808,760.74 × 213,756,376.45
  4. Step 4: Simplify right side
    260,973,247.18x = 76,911,416,910,747,424
  5. Step 5: Solve for x
    x = 76,911,416,910,747,424/260,973,247.18
  6. Step 6: Final answer
    x = 294,709,966.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.