Home / 85,405,218.24-128,146,865.32-46,485,366.24

Finding the Fourth Proportional to 85,405,218.24, 128,146,865.32 and 46,485,366.24

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Solution

The fourth proportional to 85,405,218.24, 128,146,865.32 and 46,485,366.24 is: 69,749,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,405,218.24 : 128,146,865.32 = 46,485,366.24 : x
  2. Step 2: Convert to fraction form
    85,405,218.24/128,146,865.32 = 46,485,366.24/x
  3. Step 3: Cross multiply
    85,405,218.24x = 128,146,865.32 × 46,485,366.24
  4. Step 4: Simplify right side
    85,405,218.24x = 5,956,953,966,908,155
  5. Step 5: Solve for x
    x = 5,956,953,966,908,155/85,405,218.24
  6. Step 6: Final answer
    x = 69,749,297.40

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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.