Home / 90,144,821.26-124,402,669.32-50,985,831.75

Finding the Fourth Proportional to 90,144,821.26, 124,402,669.32 and 50,985,831.75

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Solution

The fourth proportional to 90,144,821.26, 124,402,669.32 and 50,985,831.75 is: 70,362,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,144,821.26 : 124,402,669.32 = 50,985,831.75 : x
  2. Step 2: Convert to fraction form
    90,144,821.26/124,402,669.32 = 50,985,831.75/x
  3. Step 3: Cross multiply
    90,144,821.26x = 124,402,669.32 × 50,985,831.75
  4. Step 4: Simplify right side
    90,144,821.26x = 6,342,773,567,200,407
  5. Step 5: Solve for x
    x = 6,342,773,567,200,407/90,144,821.26
  6. Step 6: Final answer
    x = 70,362,040.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.