Home / 98,322,612.21-135,664,948.51-56,498,597.15

Finding the Fourth Proportional to 98,322,612.21, 135,664,948.51 and 56,498,597.15

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Solution

The fourth proportional to 98,322,612.21, 135,664,948.51 and 56,498,597.15 is: 77,956,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,322,612.21 : 135,664,948.51 = 56,498,597.15 : x
  2. Step 2: Convert to fraction form
    98,322,612.21/135,664,948.51 = 56,498,597.15/x
  3. Step 3: Cross multiply
    98,322,612.21x = 135,664,948.51 × 56,498,597.15
  4. Step 4: Simplify right side
    98,322,612.21x = 7,664,879,272,422,412
  5. Step 5: Solve for x
    x = 7,664,879,272,422,412/98,322,612.21
  6. Step 6: Final answer
    x = 77,956,424.27

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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.