Home / 218,890,019.70-302,063,566.77-119,770,368.66

Finding the Fourth Proportional to 218,890,019.70, 302,063,566.77 and 119,770,368.66

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Solution

The fourth proportional to 218,890,019.70, 302,063,566.77 and 119,770,368.66 is: 165,280,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,890,019.70 : 302,063,566.77 = 119,770,368.66 : x
  2. Step 2: Convert to fraction form
    218,890,019.70/302,063,566.77 = 119,770,368.66/x
  3. Step 3: Cross multiply
    218,890,019.70x = 302,063,566.77 × 119,770,368.66
  4. Step 4: Simplify right side
    218,890,019.70x = 36,178,264,750,797,424
  5. Step 5: Solve for x
    x = 36,178,264,750,797,424/218,890,019.70
  6. Step 6: Final answer
    x = 165,280,558.70

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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.