Home / 88,301,615.78-121,856,230.21-49,152,640.91

Finding the Fourth Proportional to 88,301,615.78, 121,856,230.21 and 49,152,640.91

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Solution

The fourth proportional to 88,301,615.78, 121,856,230.21 and 49,152,640.91 is: 67,830,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,301,615.78 : 121,856,230.21 = 49,152,640.91 : x
  2. Step 2: Convert to fraction form
    88,301,615.78/121,856,230.21 = 49,152,640.91/x
  3. Step 3: Cross multiply
    88,301,615.78x = 121,856,230.21 × 49,152,640.91
  4. Step 4: Simplify right side
    88,301,615.78x = 5,989,555,525,549,143
  5. Step 5: Solve for x
    x = 5,989,555,525,549,143/88,301,615.78
  6. Step 6: Final answer
    x = 67,830,644.69

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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.