Home / 98,609,480.88-147,793,076.10-55,387,829.04

Finding the Fourth Proportional to 98,609,480.88, 147,793,076.10 and 55,387,829.04

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Solution

The fourth proportional to 98,609,480.88, 147,793,076.10 and 55,387,829.04 is: 83,013,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609,480.88 : 147,793,076.10 = 55,387,829.04 : x
  2. Step 2: Convert to fraction form
    98,609,480.88/147,793,076.10 = 55,387,829.04/x
  3. Step 3: Cross multiply
    98,609,480.88x = 147,793,076.10 × 55,387,829.04
  4. Step 4: Simplify right side
    98,609,480.88x = 8,185,937,632,322,509
  5. Step 5: Solve for x
    x = 8,185,937,632,322,509/98,609,480.88
  6. Step 6: Final answer
    x = 83,013,697.66

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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.