Home / 86,423,691,823.61-119,266,106,709.93-47,315,587,379.72

Finding the Fourth Proportional to 86,423,691,823.61, 119,266,106,709.93 and 47,315,587,379.72

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Solution

The fourth proportional to 86,423,691,823.61, 119,266,106,709.93 and 47,315,587,379.72 is: 65,296,283,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,423,691,823.61 : 119,266,106,709.93 = 47,315,587,379.72 : x
  2. Step 2: Convert to fraction form
    86,423,691,823.61/119,266,106,709.93 = 47,315,587,379.72/x
  3. Step 3: Cross multiply
    86,423,691,823.61x = 119,266,106,709.93 × 47,315,587,379.72
  4. Step 4: Simplify right side
    86,423,691,823.61x = 5,643,145,893,472,702,038,016
  5. Step 5: Solve for x
    x = 5,643,145,893,472,702,038,016/86,423,691,823.61
  6. Step 6: Final answer
    x = 65,296,283,627.76

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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.