Home / 141,379,818.80-212,069,728.20-73,355,370.80

Finding the Fourth Proportional to 141,379,818.80, 212,069,728.20 and 73,355,370.80

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Solution

The fourth proportional to 141,379,818.80, 212,069,728.20 and 73,355,370.80 is: 110,033,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379,818.80 : 212,069,728.20 = 73,355,370.80 : x
  2. Step 2: Convert to fraction form
    141,379,818.80/212,069,728.20 = 73,355,370.80/x
  3. Step 3: Cross multiply
    141,379,818.80x = 212,069,728.20 × 73,355,370.80
  4. Step 4: Simplify right side
    141,379,818.80x = 15,556,453,547,566,216
  5. Step 5: Solve for x
    x = 15,556,453,547,566,216/141,379,818.80
  6. Step 6: Final answer
    x = 110,033,056.20

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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.