Home / 56,771,033-78,344,057.09-30,665,551.08

Finding the Fourth Proportional to 56,771,033, 78,344,057.09 and 30,665,551.08

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Solution

The fourth proportional to 56,771,033, 78,344,057.09 and 30,665,551.08 is: 42,318,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771,033 : 78,344,057.09 = 30,665,551.08 : x
  2. Step 2: Convert to fraction form
    56,771,033/78,344,057.09 = 30,665,551.08/x
  3. Step 3: Cross multiply
    56,771,033x = 78,344,057.09 × 30,665,551.08
  4. Step 4: Simplify right side
    56,771,033x = 2,402,463,684,507,831
  5. Step 5: Solve for x
    x = 2,402,463,684,507,831/56,771,033
  6. Step 6: Final answer
    x = 42,318,477.53

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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.