Home / 80,723,368.64-111,401,870.80-45,453,302.56

Finding the Fourth Proportional to 80,723,368.64, 111,401,870.80 and 45,453,302.56

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Solution

The fourth proportional to 80,723,368.64, 111,401,870.80 and 45,453,302.56 is: 62,727,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723,368.64 : 111,401,870.80 = 45,453,302.56 : x
  2. Step 2: Convert to fraction form
    80,723,368.64/111,401,870.80 = 45,453,302.56/x
  3. Step 3: Cross multiply
    80,723,368.64x = 111,401,870.80 × 45,453,302.56
  4. Step 4: Simplify right side
    80,723,368.64x = 5,063,582,939,222,429
  5. Step 5: Solve for x
    x = 5,063,582,939,222,429/80,723,368.64
  6. Step 6: Final answer
    x = 62,727,597.03

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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.