Home / 309,112,015.40-463,668,023.10-165,784,783.40

Finding the Fourth Proportional to 309,112,015.40, 463,668,023.10 and 165,784,783.40

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Solution

The fourth proportional to 309,112,015.40, 463,668,023.10 and 165,784,783.40 is: 248,677,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,112,015.40 : 463,668,023.10 = 165,784,783.40 : x
  2. Step 2: Convert to fraction form
    309,112,015.40/463,668,023.10 = 165,784,783.40/x
  3. Step 3: Cross multiply
    309,112,015.40x = 463,668,023.10 × 165,784,783.40
  4. Step 4: Simplify right side
    309,112,015.40x = 76,869,102,779,139,696
  5. Step 5: Solve for x
    x = 76,869,102,779,139,696/309,112,015.40
  6. Step 6: Final answer
    x = 248,677,175.10

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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.