Home / 72,024,045-99,395,676.09-39,428,997

Finding the Fourth Proportional to 72,024,045, 99,395,676.09 and 39,428,997

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Solution

The fourth proportional to 72,024,045, 99,395,676.09 and 39,428,997 is: 54,413,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024,045 : 99,395,676.09 = 39,428,997 : x
  2. Step 2: Convert to fraction form
    72,024,045/99,395,676.09 = 39,428,997/x
  3. Step 3: Cross multiply
    72,024,045x = 99,395,676.09 × 39,428,997
  4. Step 4: Simplify right side
    72,024,045x = 3,919,071,814,365,582
  5. Step 5: Solve for x
    x = 3,919,071,814,365,582/72,024,045
  6. Step 6: Final answer
    x = 54,413,381.18

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1.5x scale

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.