Home / 86,932,429.20-130,414,390.20-43,692,814.80

Finding the Fourth Proportional to 86,932,429.20, 130,414,390.20 and 43,692,814.80

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Solution

The fourth proportional to 86,932,429.20, 130,414,390.20 and 43,692,814.80 is: 65,547,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,429.20 : 130,414,390.20 = 43,692,814.80 : x
  2. Step 2: Convert to fraction form
    86,932,429.20/130,414,390.20 = 43,692,814.80/x
  3. Step 3: Cross multiply
    86,932,429.20x = 130,414,390.20 × 43,692,814.80
  4. Step 4: Simplify right side
    86,932,429.20x = 5,698,171,798,263,535
  5. Step 5: Solve for x
    x = 5,698,171,798,263,535/86,932,429.20
  6. Step 6: Final answer
    x = 65,547,136.44

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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.