Home / 93,431,107.68-128,938,616.32-53,738,574.72

Finding the Fourth Proportional to 93,431,107.68, 128,938,616.32 and 53,738,574.72

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Solution

The fourth proportional to 93,431,107.68, 128,938,616.32 and 53,738,574.72 is: 74,161,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431,107.68 : 128,938,616.32 = 53,738,574.72 : x
  2. Step 2: Convert to fraction form
    93,431,107.68/128,938,616.32 = 53,738,574.72/x
  3. Step 3: Cross multiply
    93,431,107.68x = 128,938,616.32 × 53,738,574.72
  4. Step 4: Simplify right side
    93,431,107.68x = 6,928,977,467,405,731
  5. Step 5: Solve for x
    x = 6,928,977,467,405,731/93,431,107.68
  6. Step 6: Final answer
    x = 74,161,354.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.