Home / 72,037,374.60-99,411,607.70-38,997,622.94

Finding the Fourth Proportional to 72,037,374.60, 99,411,607.70 and 38,997,622.94

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Solution

The fourth proportional to 72,037,374.60, 99,411,607.70 and 38,997,622.94 is: 53,816,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,037,374.60 : 99,411,607.70 = 38,997,622.94 : x
  2. Step 2: Convert to fraction form
    72,037,374.60/99,411,607.70 = 38,997,622.94/x
  3. Step 3: Cross multiply
    72,037,374.60x = 99,411,607.70 × 38,997,622.94
  4. Step 4: Simplify right side
    72,037,374.60x = 3,876,816,392,397,996
  5. Step 5: Solve for x
    x = 3,876,816,392,397,996/72,037,374.60
  6. Step 6: Final answer
    x = 53,816,736.29

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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.