Home / 98,692,405.92-136,205,698.32-56,877,939.36

Finding the Fourth Proportional to 98,692,405.92, 136,205,698.32 and 56,877,939.36

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Solution

The fourth proportional to 98,692,405.92, 136,205,698.32 and 56,877,939.36 is: 78,497,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,692,405.92 : 136,205,698.32 = 56,877,939.36 : x
  2. Step 2: Convert to fraction form
    98,692,405.92/136,205,698.32 = 56,877,939.36/x
  3. Step 3: Cross multiply
    98,692,405.92x = 136,205,698.32 × 56,877,939.36
  4. Step 4: Simplify right side
    98,692,405.92x = 7,747,099,449,531,413
  5. Step 5: Solve for x
    x = 7,747,099,449,531,413/98,692,405.92
  6. Step 6: Final answer
    x = 78,497,422.14

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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.