Home / 72,007,563.65-99,370,740.67-38,967,814.34

Finding the Fourth Proportional to 72,007,563.65, 99,370,740.67 and 38,967,814.34

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Solution

The fourth proportional to 72,007,563.65, 99,370,740.67 and 38,967,814.34 is: 53,775,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,007,563.65 : 99,370,740.67 = 38,967,814.34 : x
  2. Step 2: Convert to fraction form
    72,007,563.65/99,370,740.67 = 38,967,814.34/x
  3. Step 3: Cross multiply
    72,007,563.65x = 99,370,740.67 × 38,967,814.34
  4. Step 4: Simplify right side
    72,007,563.65x = 3,872,260,572,759,993.50
  5. Step 5: Solve for x
    x = 3,872,260,572,759,993.50/72,007,563.65
  6. Step 6: Final answer
    x = 53,775,747.66

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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.