Home / 293,144,505.14-439,046,828.58-139,898,178.38

Finding the Fourth Proportional to 293,144,505.14, 439,046,828.58 and 139,898,178.38

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Solution

The fourth proportional to 293,144,505.14, 439,046,828.58 and 139,898,178.38 is: 209,527,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,144,505.14 : 439,046,828.58 = 139,898,178.38 : x
  2. Step 2: Convert to fraction form
    293,144,505.14/439,046,828.58 = 139,898,178.38/x
  3. Step 3: Cross multiply
    293,144,505.14x = 439,046,828.58 × 139,898,178.38
  4. Step 4: Simplify right side
    293,144,505.14x = 61,421,851,541,858,120
  5. Step 5: Solve for x
    x = 61,421,851,541,858,120/293,144,505.14
  6. Step 6: Final answer
    x = 209,527,555.40

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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.