Home / 72,762,675.84-100,411,876.80-40,166,928

Finding the Fourth Proportional to 72,762,675.84, 100,411,876.80 and 40,166,928

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Solution

The fourth proportional to 72,762,675.84, 100,411,876.80 and 40,166,928 is: 55,430,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,762,675.84 : 100,411,876.80 = 40,166,928 : x
  2. Step 2: Convert to fraction form
    72,762,675.84/100,411,876.80 = 40,166,928/x
  3. Step 3: Cross multiply
    72,762,675.84x = 100,411,876.80 × 40,166,928
  4. Step 4: Simplify right side
    72,762,675.84x = 4,033,236,625,770,470.50
  5. Step 5: Solve for x
    x = 4,033,236,625,770,470.50/72,762,675.84
  6. Step 6: Final answer
    x = 55,430,020.67

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