Home / 210,342,496.21-290,287,665.50-116,254,621.22

Finding the Fourth Proportional to 210,342,496.21, 290,287,665.50 and 116,254,621.22

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Solution

The fourth proportional to 210,342,496.21, 290,287,665.50 and 116,254,621.22 is: 160,439,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,342,496.21 : 290,287,665.50 = 116,254,621.22 : x
  2. Step 2: Convert to fraction form
    210,342,496.21/290,287,665.50 = 116,254,621.22/x
  3. Step 3: Cross multiply
    210,342,496.21x = 290,287,665.50 × 116,254,621.22
  4. Step 4: Simplify right side
    210,342,496.21x = 33,747,282,595,507,852
  5. Step 5: Solve for x
    x = 33,747,282,595,507,852/210,342,496.21
  6. Step 6: Final answer
    x = 160,439,679.11

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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.