Home / 219,962,017.80-330,155,603.10-133,868,575.80

Finding the Fourth Proportional to 219,962,017.80, 330,155,603.10 and 133,868,575.80

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Solution

The fourth proportional to 219,962,017.80, 330,155,603.10 and 133,868,575.80 is: 200,932,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,962,017.80 : 330,155,603.10 = 133,868,575.80 : x
  2. Step 2: Convert to fraction form
    219,962,017.80/330,155,603.10 = 133,868,575.80/x
  3. Step 3: Cross multiply
    219,962,017.80x = 330,155,603.10 × 133,868,575.80
  4. Step 4: Simplify right side
    219,962,017.80x = 44,197,460,379,387,064
  5. Step 5: Solve for x
    x = 44,197,460,379,387,064/219,962,017.80
  6. Step 6: Final answer
    x = 200,932,237.40

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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.