Home / 311,072,523.95-429,293,124.57-178,913,557.37

Finding the Fourth Proportional to 311,072,523.95, 429,293,124.57 and 178,913,557.37

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Solution

The fourth proportional to 311,072,523.95, 429,293,124.57 and 178,913,557.37 is: 246,908,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,072,523.95 : 429,293,124.57 = 178,913,557.37 : x
  2. Step 2: Convert to fraction form
    311,072,523.95/429,293,124.57 = 178,913,557.37/x
  3. Step 3: Cross multiply
    311,072,523.95x = 429,293,124.57 × 178,913,557.37
  4. Step 4: Simplify right side
    311,072,523.95x = 76,806,360,069,154,784
  5. Step 5: Solve for x
    x = 76,806,360,069,154,784/311,072,523.95
  6. Step 6: Final answer
    x = 246,908,210.01

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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.