Home / 155,371,673,464.05-214,410,646,146.36-86,784,062,553.93

Finding the Fourth Proportional to 155,371,673,464.05, 214,410,646,146.36 and 86,784,062,553.93

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Solution

The fourth proportional to 155,371,673,464.05, 214,410,646,146.36 and 86,784,062,553.93 is: 119,760,742,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,371,673,464.05 : 214,410,646,146.36 = 86,784,062,553.93 : x
  2. Step 2: Convert to fraction form
    155,371,673,464.05/214,410,646,146.36 = 86,784,062,553.93/x
  3. Step 3: Cross multiply
    155,371,673,464.05x = 214,410,646,146.36 × 86,784,062,553.93
  4. Step 4: Simplify right side
    155,371,673,464.05x = 18,607,426,927,394,253,963,264
  5. Step 5: Solve for x
    x = 18,607,426,927,394,253,963,264/155,371,673,464.05
  6. Step 6: Final answer
    x = 119,760,742,177.37

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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.