Home / 118,334,403.90-177,380,883.45-79,999,793.10

Finding the Fourth Proportional to 118,334,403.90, 177,380,883.45 and 79,999,793.10

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Solution

The fourth proportional to 118,334,403.90, 177,380,883.45 and 79,999,793.10 is: 119,918,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334,403.90 : 177,380,883.45 = 79,999,793.10 : x
  2. Step 2: Convert to fraction form
    118,334,403.90/177,380,883.45 = 79,999,793.10/x
  3. Step 3: Cross multiply
    118,334,403.90x = 177,380,883.45 × 79,999,793.10
  4. Step 4: Simplify right side
    118,334,403.90x = 14,190,433,975,895,212
  5. Step 5: Solve for x
    x = 14,190,433,975,895,212/118,334,403.90
  6. Step 6: Final answer
    x = 119,918,075.46

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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.