Home / 291,347,329.60-436,965,007.20-86,882,075.20

Finding the Fourth Proportional to 291,347,329.60, 436,965,007.20 and 86,882,075.20

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Solution

The fourth proportional to 291,347,329.60, 436,965,007.20 and 86,882,075.20 is: 130,306,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,347,329.60 : 436,965,007.20 = 86,882,075.20 : x
  2. Step 2: Convert to fraction form
    291,347,329.60/436,965,007.20 = 86,882,075.20/x
  3. Step 3: Cross multiply
    291,347,329.60x = 436,965,007.20 × 86,882,075.20
  4. Step 4: Simplify right side
    291,347,329.60x = 37,964,426,615,318,944
  5. Step 5: Solve for x
    x = 37,964,426,615,318,944/291,347,329.60
  6. Step 6: Final answer
    x = 130,306,416.97

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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.