Home / 77,264,015.10-115,896,022.65-31,810,703.10

Finding the Fourth Proportional to 77,264,015.10, 115,896,022.65 and 31,810,703.10

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Solution

The fourth proportional to 77,264,015.10, 115,896,022.65 and 31,810,703.10 is: 47,716,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264,015.10 : 115,896,022.65 = 31,810,703.10 : x
  2. Step 2: Convert to fraction form
    77,264,015.10/115,896,022.65 = 31,810,703.10/x
  3. Step 3: Cross multiply
    77,264,015.10x = 115,896,022.65 × 31,810,703.10
  4. Step 4: Simplify right side
    77,264,015.10x = 3,686,733,966,990,025.50
  5. Step 5: Solve for x
    x = 3,686,733,966,990,025.50/77,264,015.10
  6. Step 6: Final answer
    x = 47,716,054.65

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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.