Home / 295,014,656.80-442,521,985.20-141,959,648.80

Finding the Fourth Proportional to 295,014,656.80, 442,521,985.20 and 141,959,648.80

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Solution

The fourth proportional to 295,014,656.80, 442,521,985.20 and 141,959,648.80 is: 212,939,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,014,656.80 : 442,521,985.20 = 141,959,648.80 : x
  2. Step 2: Convert to fraction form
    295,014,656.80/442,521,985.20 = 141,959,648.80/x
  3. Step 3: Cross multiply
    295,014,656.80x = 442,521,985.20 × 141,959,648.80
  4. Step 4: Simplify right side
    295,014,656.80x = 62,820,265,605,270,800
  5. Step 5: Solve for x
    x = 62,820,265,605,270,800/295,014,656.80
  6. Step 6: Final answer
    x = 212,939,473.20

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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.