Home / 215,895,181.41-323,842,509.47-70,328,505.15

Finding the Fourth Proportional to 215,895,181.41, 323,842,509.47 and 70,328,505.15

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Solution

The fourth proportional to 215,895,181.41, 323,842,509.47 and 70,328,505.15 is: 105,492,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,895,181.41 : 323,842,509.47 = 70,328,505.15 : x
  2. Step 2: Convert to fraction form
    215,895,181.41/323,842,509.47 = 70,328,505.15/x
  3. Step 3: Cross multiply
    215,895,181.41x = 323,842,509.47 × 70,328,505.15
  4. Step 4: Simplify right side
    215,895,181.41x = 22,775,359,595,225,644
  5. Step 5: Solve for x
    x = 22,775,359,595,225,644/215,895,181.41
  6. Step 6: Final answer
    x = 105,492,672.17

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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.