Home / 76,613,423,202.36-105,724,403,402.04-42,318,515,105.64

Finding the Fourth Proportional to 76,613,423,202.36, 105,724,403,402.04 and 42,318,515,105.64

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Solution

The fourth proportional to 76,613,423,202.36, 105,724,403,402.04 and 42,318,515,105.64 is: 58,398,379,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,613,423,202.36 : 105,724,403,402.04 = 42,318,515,105.64 : x
  2. Step 2: Convert to fraction form
    76,613,423,202.36/105,724,403,402.04 = 42,318,515,105.64/x
  3. Step 3: Cross multiply
    76,613,423,202.36x = 105,724,403,402.04 × 42,318,515,105.64
  4. Step 4: Simplify right side
    76,613,423,202.36x = 4,474,099,762,404,006,559,744
  5. Step 5: Solve for x
    x = 4,474,099,762,404,006,559,744/76,613,423,202.36
  6. Step 6: Final answer
    x = 58,398,379,492.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.