Home / 295,488,028.80-443,232,043.20-198,742,147.20

Finding the Fourth Proportional to 295,488,028.80, 443,232,043.20 and 198,742,147.20

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Solution

The fourth proportional to 295,488,028.80, 443,232,043.20 and 198,742,147.20 is: 298,113,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,028.80 : 443,232,043.20 = 198,742,147.20 : x
  2. Step 2: Convert to fraction form
    295,488,028.80/443,232,043.20 = 198,742,147.20/x
  3. Step 3: Cross multiply
    295,488,028.80x = 443,232,043.20 × 198,742,147.20
  4. Step 4: Simplify right side
    295,488,028.80x = 88,088,887,973,411,152
  5. Step 5: Solve for x
    x = 88,088,887,973,411,152/295,488,028.80
  6. Step 6: Final answer
    x = 298,113,220.80

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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.