Home / 73,826,020.40-110,739,030.60-39,388,643.60

Finding the Fourth Proportional to 73,826,020.40, 110,739,030.60 and 39,388,643.60

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Solution

The fourth proportional to 73,826,020.40, 110,739,030.60 and 39,388,643.60 is: 59,082,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,826,020.40 : 110,739,030.60 = 39,388,643.60 : x
  2. Step 2: Convert to fraction form
    73,826,020.40/110,739,030.60 = 39,388,643.60/x
  3. Step 3: Cross multiply
    73,826,020.40x = 110,739,030.60 × 39,388,643.60
  4. Step 4: Simplify right side
    73,826,020.40x = 4,361,860,208,912,894
  5. Step 5: Solve for x
    x = 4,361,860,208,912,894/73,826,020.40
  6. Step 6: Final answer
    x = 59,082,965.40

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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.