Home / 72,833,762.10-100,509,418.68-39,793,301.30

Finding the Fourth Proportional to 72,833,762.10, 100,509,418.68 and 39,793,301.30

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Solution

The fourth proportional to 72,833,762.10, 100,509,418.68 and 39,793,301.30 is: 54,914,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833,762.10 : 100,509,418.68 = 39,793,301.30 : x
  2. Step 2: Convert to fraction form
    72,833,762.10/100,509,418.68 = 39,793,301.30/x
  3. Step 3: Cross multiply
    72,833,762.10x = 100,509,418.68 × 39,793,301.30
  4. Step 4: Simplify right side
    72,833,762.10x = 3,999,601,581,021,088.50
  5. Step 5: Solve for x
    x = 3,999,601,581,021,088.50/72,833,762.10
  6. Step 6: Final answer
    x = 54,914,114.91

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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.