Home / 140,248,108.23-210,372,164.16-38,012,145.85

Finding the Fourth Proportional to 140,248,108.23, 210,372,164.16 and 38,012,145.85

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Solution

The fourth proportional to 140,248,108.23, 210,372,164.16 and 38,012,145.85 is: 57,018,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248,108.23 : 210,372,164.16 = 38,012,145.85 : x
  2. Step 2: Convert to fraction form
    140,248,108.23/210,372,164.16 = 38,012,145.85/x
  3. Step 3: Cross multiply
    140,248,108.23x = 210,372,164.16 × 38,012,145.85
  4. Step 4: Simplify right side
    140,248,108.23x = 7,996,697,387,164,490
  5. Step 5: Solve for x
    x = 7,996,697,387,164,490/140,248,108.23
  6. Step 6: Final answer
    x = 57,018,219.27

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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.