Home / 140,248,105.32-210,372,159.81-38,012,142.96

Finding the Fourth Proportional to 140,248,105.32, 210,372,159.81 and 38,012,142.96

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Solution

The fourth proportional to 140,248,105.32, 210,372,159.81 and 38,012,142.96 is: 57,018,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248,105.32 : 210,372,159.81 = 38,012,142.96 : x
  2. Step 2: Convert to fraction form
    140,248,105.32/210,372,159.81 = 38,012,142.96/x
  3. Step 3: Cross multiply
    140,248,105.32x = 210,372,159.81 × 38,012,142.96
  4. Step 4: Simplify right side
    140,248,105.32x = 7,996,696,613,501,687
  5. Step 5: Solve for x
    x = 7,996,696,613,501,687/140,248,105.32
  6. Step 6: Final answer
    x = 57,018,214.94

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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.