Home / 139,189,831.88-208,811,635.14-52,921,531.04

Finding the Fourth Proportional to 139,189,831.88, 208,811,635.14 and 52,921,531.04

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Solution

The fourth proportional to 139,189,831.88, 208,811,635.14 and 52,921,531.04 is: 79,392,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,189,831.88 : 208,811,635.14 = 52,921,531.04 : x
  2. Step 2: Convert to fraction form
    139,189,831.88/208,811,635.14 = 52,921,531.04/x
  3. Step 3: Cross multiply
    139,189,831.88x = 208,811,635.14 × 52,921,531.04
  4. Step 4: Simplify right side
    139,189,831.88x = 11,050,631,430,574,664
  5. Step 5: Solve for x
    x = 11,050,631,430,574,664/139,189,831.88
  6. Step 6: Final answer
    x = 79,392,519.42

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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.