Home / 76,289,981.28-105,280,694.64-41,483,050.08

Finding the Fourth Proportional to 76,289,981.28, 105,280,694.64 and 41,483,050.08

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Solution

The fourth proportional to 76,289,981.28, 105,280,694.64 and 41,483,050.08 is: 57,246,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,289,981.28 : 105,280,694.64 = 41,483,050.08 : x
  2. Step 2: Convert to fraction form
    76,289,981.28/105,280,694.64 = 41,483,050.08/x
  3. Step 3: Cross multiply
    76,289,981.28x = 105,280,694.64 × 41,483,050.08
  4. Step 4: Simplify right side
    76,289,981.28x = 4,367,364,328,208,307.50
  5. Step 5: Solve for x
    x = 4,367,364,328,208,307.50/76,289,981.28
  6. Step 6: Final answer
    x = 57,246,892.12

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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.