Home / 72,833,666.59-100,509,286.90-39,793,206.27

Finding the Fourth Proportional to 72,833,666.59, 100,509,286.90 and 39,793,206.27

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Solution

The fourth proportional to 72,833,666.59, 100,509,286.90 and 39,793,206.27 is: 54,913,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833,666.59 : 100,509,286.90 = 39,793,206.27 : x
  2. Step 2: Convert to fraction form
    72,833,666.59/100,509,286.90 = 39,793,206.27/x
  3. Step 3: Cross multiply
    72,833,666.59x = 100,509,286.90 × 39,793,206.27
  4. Step 4: Simplify right side
    72,833,666.59x = 3,999,586,785,159,762.50
  5. Step 5: Solve for x
    x = 3,999,586,785,159,762.50/72,833,666.59
  6. Step 6: Final answer
    x = 54,913,983.78

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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.