Home / 72,833,882.04-100,509,584.13-39,793,421.52

Finding the Fourth Proportional to 72,833,882.04, 100,509,584.13 and 39,793,421.52

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Solution

The fourth proportional to 72,833,882.04, 100,509,584.13 and 39,793,421.52 is: 54,914,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833,882.04 : 100,509,584.13 = 39,793,421.52 : x
  2. Step 2: Convert to fraction form
    72,833,882.04/100,509,584.13 = 39,793,421.52/x
  3. Step 3: Cross multiply
    72,833,882.04x = 100,509,584.13 × 39,793,421.52
  4. Step 4: Simplify right side
    72,833,882.04x = 3,999,620,248,084,992.50
  5. Step 5: Solve for x
    x = 3,999,620,248,084,992.50/72,833,882.04
  6. Step 6: Final answer
    x = 54,914,280.77

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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.