Home / 64,047,747-96,081,573.78-21,507,428.28

Finding the Fourth Proportional to 64,047,747, 96,081,573.78 and 21,507,428.28

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Solution

The fourth proportional to 64,047,747, 96,081,573.78 and 21,507,428.28 is: 32,264,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,047,747 : 96,081,573.78 = 21,507,428.28 : x
  2. Step 2: Convert to fraction form
    64,047,747/96,081,573.78 = 21,507,428.28/x
  3. Step 3: Cross multiply
    64,047,747x = 96,081,573.78 × 21,507,428.28
  4. Step 4: Simplify right side
    64,047,747x = 2,066,467,557,102,878.75
  5. Step 5: Solve for x
    x = 2,066,467,557,102,878.75/64,047,747
  6. Step 6: Final answer
    x = 32,264,484.76

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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.