Home / 30,939,059,870.75-46,361,222,345.22-20,817,282,040.76

Finding the Fourth Proportional to 30,939,059,870.75, 46,361,222,345.22 and 20,817,282,040.76

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Solution

The fourth proportional to 30,939,059,870.75, 46,361,222,345.22 and 20,817,282,040.76 is: 31,194,051,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939,059,870.75 : 46,361,222,345.22 = 20,817,282,040.76 : x
  2. Step 2: Convert to fraction form
    30,939,059,870.75/46,361,222,345.22 = 20,817,282,040.76/x
  3. Step 3: Cross multiply
    30,939,059,870.75x = 46,361,222,345.22 × 20,817,282,040.76
  4. Step 4: Simplify right side
    30,939,059,870.75x = 965,114,641,314,829,434,880
  5. Step 5: Solve for x
    x = 965,114,641,314,829,434,880/30,939,059,870.75
  6. Step 6: Final answer
    x = 31,194,051,963.66

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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.