Home / 72,356,654.54-99,852,813.92-39,316,903.58

Finding the Fourth Proportional to 72,356,654.54, 99,852,813.92 and 39,316,903.58

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Solution

The fourth proportional to 72,356,654.54, 99,852,813.92 and 39,316,903.58 is: 54,257,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,356,654.54 : 99,852,813.92 = 39,316,903.58 : x
  2. Step 2: Convert to fraction form
    72,356,654.54/99,852,813.92 = 39,316,903.58/x
  3. Step 3: Cross multiply
    72,356,654.54x = 99,852,813.92 × 39,316,903.58
  4. Step 4: Simplify right side
    72,356,654.54x = 3,925,903,457,084,321.50
  5. Step 5: Solve for x
    x = 3,925,903,457,084,321.50/72,356,654.54
  6. Step 6: Final answer
    x = 54,257,669.62

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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.