Home / 31,119,977,409.66-42,945,582,690.50-16,846,804,571.90

Finding the Fourth Proportional to 31,119,977,409.66, 42,945,582,690.50 and 16,846,804,571.90

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Solution

The fourth proportional to 31,119,977,409.66, 42,945,582,690.50 and 16,846,804,571.90 is: 23,248,597,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119,977,409.66 : 42,945,582,690.50 = 16,846,804,571.90 : x
  2. Step 2: Convert to fraction form
    31,119,977,409.66/42,945,582,690.50 = 16,846,804,571.90/x
  3. Step 3: Cross multiply
    31,119,977,409.66x = 42,945,582,690.50 × 16,846,804,571.90
  4. Step 4: Simplify right side
    31,119,977,409.66x = 723,495,838,813,224,828,928
  5. Step 5: Solve for x
    x = 723,495,838,813,224,828,928/31,119,977,409.66
  6. Step 6: Final answer
    x = 23,248,597,815.13

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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.