Home / 140,248,101.41-210,372,153.94-38,012,139.04

Finding the Fourth Proportional to 140,248,101.41, 210,372,153.94 and 38,012,139.04

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Solution

The fourth proportional to 140,248,101.41, 210,372,153.94 and 38,012,139.04 is: 57,018,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248,101.41 : 210,372,153.94 = 38,012,139.04 : x
  2. Step 2: Convert to fraction form
    140,248,101.41/210,372,153.94 = 38,012,139.04/x
  3. Step 3: Cross multiply
    140,248,101.41x = 210,372,153.94 × 38,012,139.04
  4. Step 4: Simplify right side
    140,248,101.41x = 7,996,695,564,659,702
  5. Step 5: Solve for x
    x = 7,996,695,564,659,702/140,248,101.41
  6. Step 6: Final answer
    x = 57,018,209.05

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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.