Home / 135,990,110.80-204,032,405.40-59,368,128.40

Finding the Fourth Proportional to 135,990,110.80, 204,032,405.40 and 59,368,128.40

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Solution

The fourth proportional to 135,990,110.80, 204,032,405.40 and 59,368,128.40 is: 89,072,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,990,110.80 : 204,032,405.40 = 59,368,128.40 : x
  2. Step 2: Convert to fraction form
    135,990,110.80/204,032,405.40 = 59,368,128.40/x
  3. Step 3: Cross multiply
    135,990,110.80x = 204,032,405.40 × 59,368,128.40
  4. Step 4: Simplify right side
    135,990,110.80x = 12,113,022,041,548,054
  5. Step 5: Solve for x
    x = 12,113,022,041,548,054/135,990,110.80
  6. Step 6: Final answer
    x = 89,072,815.44

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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.