Home / 291,073,109.60-436,609,664.40-176,281,853.60

Finding the Fourth Proportional to 291,073,109.60, 436,609,664.40 and 176,281,853.60

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Solution

The fourth proportional to 291,073,109.60, 436,609,664.40 and 176,281,853.60 is: 264,422,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,073,109.60 : 436,609,664.40 = 176,281,853.60 : x
  2. Step 2: Convert to fraction form
    291,073,109.60/436,609,664.40 = 176,281,853.60/x
  3. Step 3: Cross multiply
    291,073,109.60x = 436,609,664.40 × 176,281,853.60
  4. Step 4: Simplify right side
    291,073,109.60x = 76,966,360,940,105,920
  5. Step 5: Solve for x
    x = 76,966,360,940,105,920/291,073,109.60
  6. Step 6: Final answer
    x = 264,422,780.40

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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.