Home / 79,078,445.80-118,617,668.70-48,467,444.20

Finding the Fourth Proportional to 79,078,445.80, 118,617,668.70 and 48,467,444.20

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Solution

The fourth proportional to 79,078,445.80, 118,617,668.70 and 48,467,444.20 is: 72,701,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,078,445.80 : 118,617,668.70 = 48,467,444.20 : x
  2. Step 2: Convert to fraction form
    79,078,445.80/118,617,668.70 = 48,467,444.20/x
  3. Step 3: Cross multiply
    79,078,445.80x = 118,617,668.70 × 48,467,444.20
  4. Step 4: Simplify right side
    79,078,445.80x = 5,749,095,238,851,337
  5. Step 5: Solve for x
    x = 5,749,095,238,851,337/79,078,445.80
  6. Step 6: Final answer
    x = 72,701,166.30

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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.