Home / 101,807,100-140,492,617.02-55,396,554.30

Finding the Fourth Proportional to 101,807,100, 140,492,617.02 and 55,396,554.30

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Solution

The fourth proportional to 101,807,100, 140,492,617.02 and 55,396,554.30 is: 76,446,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807,100 : 140,492,617.02 = 55,396,554.30 : x
  2. Step 2: Convert to fraction form
    101,807,100/140,492,617.02 = 55,396,554.30/x
  3. Step 3: Cross multiply
    101,807,100x = 140,492,617.02 × 55,396,554.30
  4. Step 4: Simplify right side
    101,807,100x = 7,782,806,887,497,534
  5. Step 5: Solve for x
    x = 7,782,806,887,497,534/101,807,100
  6. Step 6: Final answer
    x = 76,446,602.32

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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.