Home / 72,833,686.88-100,509,314.81-39,793,226.49

Finding the Fourth Proportional to 72,833,686.88, 100,509,314.81 and 39,793,226.49

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Solution

The fourth proportional to 72,833,686.88, 100,509,314.81 and 39,793,226.49 is: 54,914,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833,686.88 : 100,509,314.81 = 39,793,226.49 : x
  2. Step 2: Convert to fraction form
    72,833,686.88/100,509,314.81 = 39,793,226.49/x
  3. Step 3: Cross multiply
    72,833,686.88x = 100,509,314.81 × 39,793,226.49
  4. Step 4: Simplify right side
    72,833,686.88x = 3,999,589,928,390,075.50
  5. Step 5: Solve for x
    x = 3,999,589,928,390,075.50/72,833,686.88
  6. Step 6: Final answer
    x = 54,914,011.63

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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.