Home / 187,461,061.50-281,236,486.77-78,225,467.16

Finding the Fourth Proportional to 187,461,061.50, 281,236,486.77 and 78,225,467.16

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Solution

The fourth proportional to 187,461,061.50, 281,236,486.77 and 78,225,467.16 is: 117,356,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,461,061.50 : 281,236,486.77 = 78,225,467.16 : x
  2. Step 2: Convert to fraction form
    187,461,061.50/281,236,486.77 = 78,225,467.16/x
  3. Step 3: Cross multiply
    187,461,061.50x = 281,236,486.77 × 78,225,467.16
  4. Step 4: Simplify right side
    187,461,061.50x = 21,999,855,560,020,408
  5. Step 5: Solve for x
    x = 21,999,855,560,020,408/187,461,061.50
  6. Step 6: Final answer
    x = 117,356,934.74

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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.