Home / 98,759,816.98-136,335,806.85-65,774,958.10

Finding the Fourth Proportional to 98,759,816.98, 136,335,806.85 and 65,774,958.10

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Solution

The fourth proportional to 98,759,816.98, 136,335,806.85 and 65,774,958.10 is: 90,800,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,759,816.98 : 136,335,806.85 = 65,774,958.10 : x
  2. Step 2: Convert to fraction form
    98,759,816.98/136,335,806.85 = 65,774,958.10/x
  3. Step 3: Cross multiply
    98,759,816.98x = 136,335,806.85 × 65,774,958.10
  4. Step 4: Simplify right side
    98,759,816.98x = 8,967,481,983,088,443
  5. Step 5: Solve for x
    x = 8,967,481,983,088,443/98,759,816.98
  6. Step 6: Final answer
    x = 90,800,917.39

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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.