Home / 77,477,283.25-106,923,482.57-42,669,964.47

Finding the Fourth Proportional to 77,477,283.25, 106,923,482.57 and 42,669,964.47

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Solution

The fourth proportional to 77,477,283.25, 106,923,482.57 and 42,669,964.47 is: 58,887,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477,283.25 : 106,923,482.57 = 42,669,964.47 : x
  2. Step 2: Convert to fraction form
    77,477,283.25/106,923,482.57 = 42,669,964.47/x
  3. Step 3: Cross multiply
    77,477,283.25x = 106,923,482.57 × 42,669,964.47
  4. Step 4: Simplify right side
    77,477,283.25x = 4,562,421,202,270,564
  5. Step 5: Solve for x
    x = 4,562,421,202,270,564/77,477,283.25
  6. Step 6: Final answer
    x = 58,887,211.98

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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.