Home / 30,939,059,870.31-46,361,222,344.57-20,817,282,040.32

Finding the Fourth Proportional to 30,939,059,870.31, 46,361,222,344.57 and 20,817,282,040.32

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Solution

The fourth proportional to 30,939,059,870.31, 46,361,222,344.57 and 20,817,282,040.32 is: 31,194,051,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939,059,870.31 : 46,361,222,344.57 = 20,817,282,040.32 : x
  2. Step 2: Convert to fraction form
    30,939,059,870.31/46,361,222,344.57 = 20,817,282,040.32/x
  3. Step 3: Cross multiply
    30,939,059,870.31x = 46,361,222,344.57 × 20,817,282,040.32
  4. Step 4: Simplify right side
    30,939,059,870.31x = 965,114,641,280,887,947,264
  5. Step 5: Solve for x
    x = 965,114,641,280,887,947,264/30,939,059,870.31
  6. Step 6: Final answer
    x = 31,194,051,963.00

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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.