Home / 70,171,387.63-105,051,831.48-40,935,834.07

Finding the Fourth Proportional to 70,171,387.63, 105,051,831.48 and 40,935,834.07

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Solution

The fourth proportional to 70,171,387.63, 105,051,831.48 and 40,935,834.07 is: 61,284,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171,387.63 : 105,051,831.48 = 40,935,834.07 : x
  2. Step 2: Convert to fraction form
    70,171,387.63/105,051,831.48 = 40,935,834.07/x
  3. Step 3: Cross multiply
    70,171,387.63x = 105,051,831.48 × 40,935,834.07
  4. Step 4: Simplify right side
    70,171,387.63x = 4,300,384,342,214,882.50
  5. Step 5: Solve for x
    x = 4,300,384,342,214,882.50/70,171,387.63
  6. Step 6: Final answer
    x = 61,284,014.57

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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.