Home / 212,007,509.28-317,784,511.44-96,819,444

Finding the Fourth Proportional to 212,007,509.28, 317,784,511.44 and 96,819,444

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Solution

The fourth proportional to 212,007,509.28, 317,784,511.44 and 96,819,444 is: 145,125,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,007,509.28 : 317,784,511.44 = 96,819,444 : x
  2. Step 2: Convert to fraction form
    212,007,509.28/317,784,511.44 = 96,819,444/x
  3. Step 3: Cross multiply
    212,007,509.28x = 317,784,511.44 × 96,819,444
  4. Step 4: Simplify right side
    212,007,509.28x = 30,767,719,709,432,440
  5. Step 5: Solve for x
    x = 30,767,719,709,432,440/212,007,509.28
  6. Step 6: Final answer
    x = 145,125,612.83

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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.