Home / 98,884,747.50-136,433,120.64-77,911,760.58

Finding the Fourth Proportional to 98,884,747.50, 136,433,120.64 and 77,911,760.58

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Solution

The fourth proportional to 98,884,747.50, 136,433,120.64 and 77,911,760.58 is: 107,496,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,884,747.50 : 136,433,120.64 = 77,911,760.58 : x
  2. Step 2: Convert to fraction form
    98,884,747.50/136,433,120.64 = 77,911,760.58/x
  3. Step 3: Cross multiply
    98,884,747.50x = 136,433,120.64 × 77,911,760.58
  4. Step 4: Simplify right side
    98,884,747.50x = 10,629,744,630,485,936
  5. Step 5: Solve for x
    x = 10,629,744,630,485,936/98,884,747.50
  6. Step 6: Final answer
    x = 107,496,301.49

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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.