Home / 115,209,814.66-172,814,896.95-47,052,506.41

Finding the Fourth Proportional to 115,209,814.66, 172,814,896.95 and 47,052,506.41

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Solution

The fourth proportional to 115,209,814.66, 172,814,896.95 and 47,052,506.41 is: 70,578,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,814.66 : 172,814,896.95 = 47,052,506.41 : x
  2. Step 2: Convert to fraction form
    115,209,814.66/172,814,896.95 = 47,052,506.41/x
  3. Step 3: Cross multiply
    115,209,814.66x = 172,814,896.95 × 47,052,506.41
  4. Step 4: Simplify right side
    115,209,814.66x = 8,131,374,045,874,880
  5. Step 5: Solve for x
    x = 8,131,374,045,874,880/115,209,814.66
  6. Step 6: Final answer
    x = 70,578,831.07

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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.