Home / 105,713,120.74-158,575,740.86-27,988,005.04

Finding the Fourth Proportional to 105,713,120.74, 158,575,740.86 and 27,988,005.04

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Solution

The fourth proportional to 105,713,120.74, 158,575,740.86 and 27,988,005.04 is: 41,983,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,713,120.74 : 158,575,740.86 = 27,988,005.04 : x
  2. Step 2: Convert to fraction form
    105,713,120.74/158,575,740.86 = 27,988,005.04/x
  3. Step 3: Cross multiply
    105,713,120.74x = 158,575,740.86 × 27,988,005.04
  4. Step 4: Simplify right side
    105,713,120.74x = 4,438,218,633,478,595
  5. Step 5: Solve for x
    x = 4,438,218,633,478,595/105,713,120.74
  6. Step 6: Final answer
    x = 41,983,611.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.