Home / 70,896,831.70-106,345,247.55-40,285,830.10

Finding the Fourth Proportional to 70,896,831.70, 106,345,247.55 and 40,285,830.10

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Solution

The fourth proportional to 70,896,831.70, 106,345,247.55 and 40,285,830.10 is: 60,428,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,896,831.70 : 106,345,247.55 = 40,285,830.10 : x
  2. Step 2: Convert to fraction form
    70,896,831.70/106,345,247.55 = 40,285,830.10/x
  3. Step 3: Cross multiply
    70,896,831.70x = 106,345,247.55 × 40,285,830.10
  4. Step 4: Simplify right side
    70,896,831.70x = 4,284,206,574,741,741.50
  5. Step 5: Solve for x
    x = 4,284,206,574,741,741.50/70,896,831.70
  6. Step 6: Final answer
    x = 60,428,745.15

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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.