Home / 203,670,138.66-281,064,775.77-110,851,312.02

Finding the Fourth Proportional to 203,670,138.66, 281,064,775.77 and 110,851,312.02

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Solution

The fourth proportional to 203,670,138.66, 281,064,775.77 and 110,851,312.02 is: 152,974,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,670,138.66 : 281,064,775.77 = 110,851,312.02 : x
  2. Step 2: Convert to fraction form
    203,670,138.66/281,064,775.77 = 110,851,312.02/x
  3. Step 3: Cross multiply
    203,670,138.66x = 281,064,775.77 × 110,851,312.02
  4. Step 4: Simplify right side
    203,670,138.66x = 31,156,399,156,711,604
  5. Step 5: Solve for x
    x = 31,156,399,156,711,604/203,670,138.66
  6. Step 6: Final answer
    x = 152,974,802.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.