Home / 86,879,002.80-130,316,511.60-43,736,620.80

Finding the Fourth Proportional to 86,879,002.80, 130,316,511.60 and 43,736,620.80

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Solution

The fourth proportional to 86,879,002.80, 130,316,511.60 and 43,736,620.80 is: 65,603,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,879,002.80 : 130,316,511.60 = 43,736,620.80 : x
  2. Step 2: Convert to fraction form
    86,879,002.80/130,316,511.60 = 43,736,620.80/x
  3. Step 3: Cross multiply
    86,879,002.80x = 130,316,511.60 × 43,736,620.80
  4. Step 4: Simplify right side
    86,879,002.80x = 5,699,603,851,828,001
  5. Step 5: Solve for x
    x = 5,699,603,851,828,001/86,879,002.80
  6. Step 6: Final answer
    x = 65,603,928.09

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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.