Home / 77,678,095.46-116,532,492.51-28,494,405.14

Finding the Fourth Proportional to 77,678,095.46, 116,532,492.51 and 28,494,405.14

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Solution

The fourth proportional to 77,678,095.46, 116,532,492.51 and 28,494,405.14 is: 42,747,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,678,095.46 : 116,532,492.51 = 28,494,405.14 : x
  2. Step 2: Convert to fraction form
    77,678,095.46/116,532,492.51 = 28,494,405.14/x
  3. Step 3: Cross multiply
    77,678,095.46x = 116,532,492.51 × 28,494,405.14
  4. Step 4: Simplify right side
    77,678,095.46x = 3,320,524,053,553,955.50
  5. Step 5: Solve for x
    x = 3,320,524,053,553,955.50/77,678,095.46
  6. Step 6: Final answer
    x = 42,747,238.25

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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.