Home / 70,167,887.15-105,243,790.73-18,357,491.52

Finding the Fourth Proportional to 70,167,887.15, 105,243,790.73 and 18,357,491.52

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Solution

The fourth proportional to 70,167,887.15, 105,243,790.73 and 18,357,491.52 is: 27,534,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167,887.15 : 105,243,790.73 = 18,357,491.52 : x
  2. Step 2: Convert to fraction form
    70,167,887.15/105,243,790.73 = 18,357,491.52/x
  3. Step 3: Cross multiply
    70,167,887.15x = 105,243,790.73 × 18,357,491.52
  4. Step 4: Simplify right side
    70,167,887.15x = 1,932,011,995,766,842
  5. Step 5: Solve for x
    x = 1,932,011,995,766,842/70,167,887.15
  6. Step 6: Final answer
    x = 27,534,133.84

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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.