Home / 133,143,310.08-199,356,024.96-86,970,827.52

Finding the Fourth Proportional to 133,143,310.08, 199,356,024.96 and 86,970,827.52

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Solution

The fourth proportional to 133,143,310.08, 199,356,024.96 and 86,970,827.52 is: 130,221,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,143,310.08 : 199,356,024.96 = 86,970,827.52 : x
  2. Step 2: Convert to fraction form
    133,143,310.08/199,356,024.96 = 86,970,827.52/x
  3. Step 3: Cross multiply
    133,143,310.08x = 199,356,024.96 × 86,970,827.52
  4. Step 4: Simplify right side
    133,143,310.08x = 17,338,158,461,868,974
  5. Step 5: Solve for x
    x = 17,338,158,461,868,974/133,143,310.08
  6. Step 6: Final answer
    x = 130,221,777.21

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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.