Home / 71,189,433.40-106,784,150.10-38,828,831.80

Finding the Fourth Proportional to 71,189,433.40, 106,784,150.10 and 38,828,831.80

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Solution

The fourth proportional to 71,189,433.40, 106,784,150.10 and 38,828,831.80 is: 58,243,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,433.40 : 106,784,150.10 = 38,828,831.80 : x
  2. Step 2: Convert to fraction form
    71,189,433.40/106,784,150.10 = 38,828,831.80/x
  3. Step 3: Cross multiply
    71,189,433.40x = 106,784,150.10 × 38,828,831.80
  4. Step 4: Simplify right side
    71,189,433.40x = 4,146,303,803,138,852.50
  5. Step 5: Solve for x
    x = 4,146,303,803,138,852.50/71,189,433.40
  6. Step 6: Final answer
    x = 58,243,247.70

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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.