Home / 243,477,307.98-364,987,343.72-81,806,180.94

Finding the Fourth Proportional to 243,477,307.98, 364,987,343.72 and 81,806,180.94

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Solution

The fourth proportional to 243,477,307.98, 364,987,343.72 and 81,806,180.94 is: 122,632,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,477,307.98 : 364,987,343.72 = 81,806,180.94 : x
  2. Step 2: Convert to fraction form
    243,477,307.98/364,987,343.72 = 81,806,180.94/x
  3. Step 3: Cross multiply
    243,477,307.98x = 364,987,343.72 × 81,806,180.94
  4. Step 4: Simplify right side
    243,477,307.98x = 29,858,220,681,168,296
  5. Step 5: Solve for x
    x = 29,858,220,681,168,296/243,477,307.98
  6. Step 6: Final answer
    x = 122,632,457.74

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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.