Home / 115,843,411.80-173,828,103.30-47,692,992.60

Finding the Fourth Proportional to 115,843,411.80, 173,828,103.30 and 47,692,992.60

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Solution

The fourth proportional to 115,843,411.80, 173,828,103.30 and 47,692,992.60 is: 71,565,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,843,411.80 : 173,828,103.30 = 47,692,992.60 : x
  2. Step 2: Convert to fraction form
    115,843,411.80/173,828,103.30 = 47,692,992.60/x
  3. Step 3: Cross multiply
    115,843,411.80x = 173,828,103.30 × 47,692,992.60
  4. Step 4: Simplify right side
    115,843,411.80x = 8,290,382,444,358,936
  5. Step 5: Solve for x
    x = 8,290,382,444,358,936/115,843,411.80
  6. Step 6: Final answer
    x = 71,565,420.21

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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.