Home / 260,423,421.75-359,220,851.08-154,501,846.32

Finding the Fourth Proportional to 260,423,421.75, 359,220,851.08 and 154,501,846.32

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Solution

The fourth proportional to 260,423,421.75, 359,220,851.08 and 154,501,846.32 is: 213,115,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,423,421.75 : 359,220,851.08 = 154,501,846.32 : x
  2. Step 2: Convert to fraction form
    260,423,421.75/359,220,851.08 = 154,501,846.32/x
  3. Step 3: Cross multiply
    260,423,421.75x = 359,220,851.08 × 154,501,846.32
  4. Step 4: Simplify right side
    260,423,421.75x = 55,500,284,728,501,760
  5. Step 5: Solve for x
    x = 55,500,284,728,501,760/260,423,421.75
  6. Step 6: Final answer
    x = 213,115,565.24

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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.