Home / 86,807,499.21-119,739,857.96-51,500,307.57

Finding the Fourth Proportional to 86,807,499.21, 119,739,857.96 and 51,500,307.57

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Solution

The fourth proportional to 86,807,499.21, 119,739,857.96 and 51,500,307.57 is: 71,038,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,807,499.21 : 119,739,857.96 = 51,500,307.57 : x
  2. Step 2: Convert to fraction form
    86,807,499.21/119,739,857.96 = 51,500,307.57/x
  3. Step 3: Cross multiply
    86,807,499.21x = 119,739,857.96 × 51,500,307.57
  4. Step 4: Simplify right side
    86,807,499.21x = 6,166,639,513,512,411
  5. Step 5: Solve for x
    x = 6,166,639,513,512,411/86,807,499.21
  6. Step 6: Final answer
    x = 71,038,096.59

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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.