Home / 134,857,666.73-186,103,580.47-72,978,005.30

Finding the Fourth Proportional to 134,857,666.73, 186,103,580.47 and 72,978,005.30

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Solution

The fourth proportional to 134,857,666.73, 186,103,580.47 and 72,978,005.30 is: 100,709,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857,666.73 : 186,103,580.47 = 72,978,005.30 : x
  2. Step 2: Convert to fraction form
    134,857,666.73/186,103,580.47 = 72,978,005.30/x
  3. Step 3: Cross multiply
    134,857,666.73x = 186,103,580.47 × 72,978,005.30
  4. Step 4: Simplify right side
    134,857,666.73x = 13,581,468,080,775,674
  5. Step 5: Solve for x
    x = 13,581,468,080,775,674/134,857,666.73
  6. Step 6: Final answer
    x = 100,709,647.51

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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.