Home / 295,190,428.36-442,401,577.26-120,109,426.12

Finding the Fourth Proportional to 295,190,428.36, 442,401,577.26 and 120,109,426.12

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Solution

The fourth proportional to 295,190,428.36, 442,401,577.26 and 120,109,426.12 is: 180,007,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,190,428.36 : 442,401,577.26 = 120,109,426.12 : x
  2. Step 2: Convert to fraction form
    295,190,428.36/442,401,577.26 = 120,109,426.12/x
  3. Step 3: Cross multiply
    295,190,428.36x = 442,401,577.26 × 120,109,426.12
  4. Step 4: Simplify right side
    295,190,428.36x = 53,136,599,559,281,440
  5. Step 5: Solve for x
    x = 53,136,599,559,281,440/295,190,428.36
  6. Step 6: Final answer
    x = 180,007,867.65

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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.