Home / 291,254,709.40-436,882,064.10-176,966,171.80

Finding the Fourth Proportional to 291,254,709.40, 436,882,064.10 and 176,966,171.80

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Solution

The fourth proportional to 291,254,709.40, 436,882,064.10 and 176,966,171.80 is: 265,449,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,254,709.40 : 436,882,064.10 = 176,966,171.80 : x
  2. Step 2: Convert to fraction form
    291,254,709.40/436,882,064.10 = 176,966,171.80/x
  3. Step 3: Cross multiply
    291,254,709.40x = 436,882,064.10 × 176,966,171.80
  4. Step 4: Simplify right side
    291,254,709.40x = 77,313,346,411,859,216
  5. Step 5: Solve for x
    x = 77,313,346,411,859,216/291,254,709.40
  6. Step 6: Final answer
    x = 265,449,257.70

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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.