Home / 210,505,549.08-315,787,995.48-64,950,945.06

Finding the Fourth Proportional to 210,505,549.08, 315,787,995.48 and 64,950,945.06

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Solution

The fourth proportional to 210,505,549.08, 315,787,995.48 and 64,950,945.06 is: 97,435,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,505,549.08 : 315,787,995.48 = 64,950,945.06 : x
  2. Step 2: Convert to fraction form
    210,505,549.08/315,787,995.48 = 64,950,945.06/x
  3. Step 3: Cross multiply
    210,505,549.08x = 315,787,995.48 × 64,950,945.06
  4. Step 4: Simplify right side
    210,505,549.08x = 20,510,728,745,029,012
  5. Step 5: Solve for x
    x = 20,510,728,745,029,012/210,505,549.08
  6. Step 6: Final answer
    x = 97,435,572.77

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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.