Home / 294,997,911.20-442,496,866.80-141,942,903.20

Finding the Fourth Proportional to 294,997,911.20, 442,496,866.80 and 141,942,903.20

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Solution

The fourth proportional to 294,997,911.20, 442,496,866.80 and 141,942,903.20 is: 212,914,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,997,911.20 : 442,496,866.80 = 141,942,903.20 : x
  2. Step 2: Convert to fraction form
    294,997,911.20/442,496,866.80 = 141,942,903.20/x
  3. Step 3: Cross multiply
    294,997,911.20x = 442,496,866.80 × 141,942,903.20
  4. Step 4: Simplify right side
    294,997,911.20x = 62,809,289,930,495,688
  5. Step 5: Solve for x
    x = 62,809,289,930,495,688/294,997,911.20
  6. Step 6: Final answer
    x = 212,914,354.80

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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.