Home / 86,963,845.20-130,461,514.20-43,724,230.80

Finding the Fourth Proportional to 86,963,845.20, 130,461,514.20 and 43,724,230.80

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Solution

The fourth proportional to 86,963,845.20, 130,461,514.20 and 43,724,230.80 is: 65,594,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963,845.20 : 130,461,514.20 = 43,724,230.80 : x
  2. Step 2: Convert to fraction form
    86,963,845.20/130,461,514.20 = 43,724,230.80/x
  3. Step 3: Cross multiply
    86,963,845.20x = 130,461,514.20 × 43,724,230.80
  4. Step 4: Simplify right side
    86,963,845.20x = 5,704,329,357,398,277
  5. Step 5: Solve for x
    x = 5,704,329,357,398,277/86,963,845.20
  6. Step 6: Final answer
    x = 65,594,263.27

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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.