Home / 199,665,522.86-299,299,879.65-138,953,703.02

Finding the Fourth Proportional to 199,665,522.86, 299,299,879.65 and 138,953,703.02

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Solution

The fourth proportional to 199,665,522.86, 299,299,879.65 and 138,953,703.02 is: 208,292,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,665,522.86 : 299,299,879.65 = 138,953,703.02 : x
  2. Step 2: Convert to fraction form
    199,665,522.86/299,299,879.65 = 138,953,703.02/x
  3. Step 3: Cross multiply
    199,665,522.86x = 299,299,879.65 × 138,953,703.02
  4. Step 4: Simplify right side
    199,665,522.86x = 41,588,826,590,807,840
  5. Step 5: Solve for x
    x = 41,588,826,590,807,840/199,665,522.86
  6. Step 6: Final answer
    x = 208,292,478.32

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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.