Home / 155,371,673,462.79-214,410,646,144.62-86,784,062,552.67

Finding the Fourth Proportional to 155,371,673,462.79, 214,410,646,144.62 and 86,784,062,552.67

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Solution

The fourth proportional to 155,371,673,462.79, 214,410,646,144.62 and 86,784,062,552.67 is: 119,760,742,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,371,673,462.79 : 214,410,646,144.62 = 86,784,062,552.67 : x
  2. Step 2: Convert to fraction form
    155,371,673,462.79/214,410,646,144.62 = 86,784,062,552.67/x
  3. Step 3: Cross multiply
    155,371,673,462.79x = 214,410,646,144.62 × 86,784,062,552.67
  4. Step 4: Simplify right side
    155,371,673,462.79x = 18,607,426,926,972,021,768,192
  5. Step 5: Solve for x
    x = 18,607,426,926,972,021,768,192/155,371,673,462.79
  6. Step 6: Final answer
    x = 119,760,742,175.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.