Home / 140,083,584.12-210,252,886.70-74,559,732.12

Finding the Fourth Proportional to 140,083,584.12, 210,252,886.70 and 74,559,732.12

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Solution

The fourth proportional to 140,083,584.12, 210,252,886.70 and 74,559,732.12 is: 111,907,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,584.12 : 210,252,886.70 = 74,559,732.12 : x
  2. Step 2: Convert to fraction form
    140,083,584.12/210,252,886.70 = 74,559,732.12/x
  3. Step 3: Cross multiply
    140,083,584.12x = 210,252,886.70 × 74,559,732.12
  4. Step 4: Simplify right side
    140,083,584.12x = 15,676,398,909,808,710
  5. Step 5: Solve for x
    x = 15,676,398,909,808,710/140,083,584.12
  6. Step 6: Final answer
    x = 111,907,465.88

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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.