Home / 212,018,896.08-318,035,430-58,652,109.36

Finding the Fourth Proportional to 212,018,896.08, 318,035,430 and 58,652,109.36

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Solution

The fourth proportional to 212,018,896.08, 318,035,430 and 58,652,109.36 is: 87,980,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018,896.08 : 318,035,430 = 58,652,109.36 : x
  2. Step 2: Convert to fraction form
    212,018,896.08/318,035,430 = 58,652,109.36/x
  3. Step 3: Cross multiply
    212,018,896.08x = 318,035,430 × 58,652,109.36
  4. Step 4: Simplify right side
    212,018,896.08x = 18,653,448,820,714,624
  5. Step 5: Solve for x
    x = 18,653,448,820,714,624/212,018,896.08
  6. Step 6: Final answer
    x = 87,980,124.25

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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.