Home / 140,083,577.10-210,252,876.18-74,559,725.10

Finding the Fourth Proportional to 140,083,577.10, 210,252,876.18 and 74,559,725.10

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Solution

The fourth proportional to 140,083,577.10, 210,252,876.18 and 74,559,725.10 is: 111,907,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,577.10 : 210,252,876.18 = 74,559,725.10 : x
  2. Step 2: Convert to fraction form
    140,083,577.10/210,252,876.18 = 74,559,725.10/x
  3. Step 3: Cross multiply
    140,083,577.10x = 210,252,876.18 × 74,559,725.10
  4. Step 4: Simplify right side
    140,083,577.10x = 15,676,396,649,465,138
  5. Step 5: Solve for x
    x = 15,676,396,649,465,138/140,083,577.10
  6. Step 6: Final answer
    x = 111,907,455.35

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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.