Home / 290,001,941.10-434,624,998.05-117,337,416.30

Finding the Fourth Proportional to 290,001,941.10, 434,624,998.05 and 117,337,416.30

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Solution

The fourth proportional to 290,001,941.10, 434,624,998.05 and 117,337,416.30 is: 175,853,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,001,941.10 : 434,624,998.05 = 117,337,416.30 : x
  2. Step 2: Convert to fraction form
    290,001,941.10/434,624,998.05 = 117,337,416.30/x
  3. Step 3: Cross multiply
    290,001,941.10x = 434,624,998.05 × 117,337,416.30
  4. Step 4: Simplify right side
    290,001,941.10x = 50,997,774,330,579,536
  5. Step 5: Solve for x
    x = 50,997,774,330,579,536/290,001,941.10
  6. Step 6: Final answer
    x = 175,853,217.18

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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.