Home / 139,968,407.55-209,952,611.33-109,357,405.95

Finding the Fourth Proportional to 139,968,407.55, 209,952,611.33 and 109,357,405.95

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Solution

The fourth proportional to 139,968,407.55, 209,952,611.33 and 109,357,405.95 is: 164,036,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,407.55 : 209,952,611.33 = 109,357,405.95 : x
  2. Step 2: Convert to fraction form
    139,968,407.55/209,952,611.33 = 109,357,405.95/x
  3. Step 3: Cross multiply
    139,968,407.55x = 209,952,611.33 × 109,357,405.95
  4. Step 4: Simplify right side
    139,968,407.55x = 22,959,872,946,930,592
  5. Step 5: Solve for x
    x = 22,959,872,946,930,592/139,968,407.55
  6. Step 6: Final answer
    x = 164,036,108.93

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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.