Home / 140,083,567.51-210,252,861.73-74,559,715.49

Finding the Fourth Proportional to 140,083,567.51, 210,252,861.73 and 74,559,715.49

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Solution

The fourth proportional to 140,083,567.51, 210,252,861.73 and 74,559,715.49 is: 111,907,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,567.51 : 210,252,861.73 = 74,559,715.49 : x
  2. Step 2: Convert to fraction form
    140,083,567.51/210,252,861.73 = 74,559,715.49/x
  3. Step 3: Cross multiply
    140,083,567.51x = 210,252,861.73 × 74,559,715.49
  4. Step 4: Simplify right side
    140,083,567.51x = 15,676,393,551,123,442
  5. Step 5: Solve for x
    x = 15,676,393,551,123,442/140,083,567.51
  6. Step 6: Final answer
    x = 111,907,440.89

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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.