Home / 118,307,999.80-177,163,401.30-77,698,617.40

Finding the Fourth Proportional to 118,307,999.80, 177,163,401.30 and 77,698,617.40

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Solution

The fourth proportional to 118,307,999.80, 177,163,401.30 and 77,698,617.40 is: 116,351,822.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,307,999.80 : 177,163,401.30 = 77,698,617.40 : x
  2. Step 2: Convert to fraction form
    118,307,999.80/177,163,401.30 = 77,698,617.40/x
  3. Step 3: Cross multiply
    118,307,999.80x = 177,163,401.30 × 77,698,617.40
  4. Step 4: Simplify right side
    118,307,999.80x = 13,765,351,334,891,364
  5. Step 5: Solve for x
    x = 13,765,351,334,891,364/118,307,999.80
  6. Step 6: Final answer
    x = 116,351,822.01

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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.