Home / 146,650,543.60-219,975,815.40-78,626,095.60

Finding the Fourth Proportional to 146,650,543.60, 219,975,815.40 and 78,626,095.60

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Solution

The fourth proportional to 146,650,543.60, 219,975,815.40 and 78,626,095.60 is: 117,939,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,650,543.60 : 219,975,815.40 = 78,626,095.60 : x
  2. Step 2: Convert to fraction form
    146,650,543.60/219,975,815.40 = 78,626,095.60/x
  3. Step 3: Cross multiply
    146,650,543.60x = 219,975,815.40 × 78,626,095.60
  4. Step 4: Simplify right side
    146,650,543.60x = 17,295,839,491,328,352
  5. Step 5: Solve for x
    x = 17,295,839,491,328,352/146,650,543.60
  6. Step 6: Final answer
    x = 117,939,143.40

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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.