Home / 187,685,065.35-281,161,089.63-89,176,585.68

Finding the Fourth Proportional to 187,685,065.35, 281,161,089.63 and 89,176,585.68

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Solution

The fourth proportional to 187,685,065.35, 281,161,089.63 and 89,176,585.68 is: 133,590,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,685,065.35 : 281,161,089.63 = 89,176,585.68 : x
  2. Step 2: Convert to fraction form
    187,685,065.35/281,161,089.63 = 89,176,585.68/x
  3. Step 3: Cross multiply
    187,685,065.35x = 281,161,089.63 × 89,176,585.68
  4. Step 4: Simplify right side
    187,685,065.35x = 25,072,985,999,271,856
  5. Step 5: Solve for x
    x = 25,072,985,999,271,856/187,685,065.35
  6. Step 6: Final answer
    x = 133,590,735.91

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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.