Home / 140,248,103.07-210,372,156.43-38,012,140.70

Finding the Fourth Proportional to 140,248,103.07, 210,372,156.43 and 38,012,140.70

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Solution

The fourth proportional to 140,248,103.07, 210,372,156.43 and 38,012,140.70 is: 57,018,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248,103.07 : 210,372,156.43 = 38,012,140.70 : x
  2. Step 2: Convert to fraction form
    140,248,103.07/210,372,156.43 = 38,012,140.70/x
  3. Step 3: Cross multiply
    140,248,103.07x = 210,372,156.43 × 38,012,140.70
  4. Step 4: Simplify right side
    140,248,103.07x = 7,996,696,008,527,709
  5. Step 5: Solve for x
    x = 7,996,696,008,527,709/140,248,103.07
  6. Step 6: Final answer
    x = 57,018,211.54

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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.