Home / 260,355,198.42-359,282,080.08-142,877,508.12

Finding the Fourth Proportional to 260,355,198.42, 359,282,080.08 and 142,877,508.12

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Solution

The fourth proportional to 260,355,198.42, 359,282,080.08 and 142,877,508.12 is: 197,166,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,355,198.42 : 359,282,080.08 = 142,877,508.12 : x
  2. Step 2: Convert to fraction form
    260,355,198.42/359,282,080.08 = 142,877,508.12/x
  3. Step 3: Cross multiply
    260,355,198.42x = 359,282,080.08 × 142,877,508.12
  4. Step 4: Simplify right side
    260,355,198.42x = 51,333,328,314,000,688
  5. Step 5: Solve for x
    x = 51,333,328,314,000,688/260,355,198.42
  6. Step 6: Final answer
    x = 197,166,519.53

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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.