Home / 65,977,166.16-91,048,461.48-38,469,782.16

Finding the Fourth Proportional to 65,977,166.16, 91,048,461.48 and 38,469,782.16

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Solution

The fourth proportional to 65,977,166.16, 91,048,461.48 and 38,469,782.16 is: 53,088,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,977,166.16 : 91,048,461.48 = 38,469,782.16 : x
  2. Step 2: Convert to fraction form
    65,977,166.16/91,048,461.48 = 38,469,782.16/x
  3. Step 3: Cross multiply
    65,977,166.16x = 91,048,461.48 × 38,469,782.16
  4. Step 4: Simplify right side
    65,977,166.16x = 3,502,614,479,138,751
  5. Step 5: Solve for x
    x = 3,502,614,479,138,751/65,977,166.16
  6. Step 6: Final answer
    x = 53,088,283.16

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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.