Home / 100,076,940.18-138,105,122.51-56,024,301.24

Finding the Fourth Proportional to 100,076,940.18, 138,105,122.51 and 56,024,301.24

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Solution

The fourth proportional to 100,076,940.18, 138,105,122.51 and 56,024,301.24 is: 77,312,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,076,940.18 : 138,105,122.51 = 56,024,301.24 : x
  2. Step 2: Convert to fraction form
    100,076,940.18/138,105,122.51 = 56,024,301.24/x
  3. Step 3: Cross multiply
    100,076,940.18x = 138,105,122.51 × 56,024,301.24
  4. Step 4: Simplify right side
    100,076,940.18x = 7,737,242,986,427,405
  5. Step 5: Solve for x
    x = 7,737,242,986,427,405/100,076,940.18
  6. Step 6: Final answer
    x = 77,312,945.15

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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.