Home / 86,807,501.21-119,739,860.72-51,500,309.57

Finding the Fourth Proportional to 86,807,501.21, 119,739,860.72 and 51,500,309.57

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Solution

The fourth proportional to 86,807,501.21, 119,739,860.72 and 51,500,309.57 is: 71,038,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,807,501.21 : 119,739,860.72 = 51,500,309.57 : x
  2. Step 2: Convert to fraction form
    86,807,501.21/119,739,860.72 = 51,500,309.57/x
  3. Step 3: Cross multiply
    86,807,501.21x = 119,739,860.72 × 51,500,309.57
  4. Step 4: Simplify right side
    86,807,501.21x = 6,166,639,894,948,683
  5. Step 5: Solve for x
    x = 6,166,639,894,948,683/86,807,501.21
  6. Step 6: Final answer
    x = 71,038,099.35

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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.