Home / 239,178,836.70-358,768,255.05-57,426,014.70

Finding the Fourth Proportional to 239,178,836.70, 358,768,255.05 and 57,426,014.70

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Solution

The fourth proportional to 239,178,836.70, 358,768,255.05 and 57,426,014.70 is: 86,139,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,178,836.70 : 358,768,255.05 = 57,426,014.70 : x
  2. Step 2: Convert to fraction form
    239,178,836.70/358,768,255.05 = 57,426,014.70/x
  3. Step 3: Cross multiply
    239,178,836.70x = 358,768,255.05 × 57,426,014.70
  4. Step 4: Simplify right side
    239,178,836.70x = 20,602,631,088,394,652
  5. Step 5: Solve for x
    x = 20,602,631,088,394,652/239,178,836.70
  6. Step 6: Final answer
    x = 86,139,022.05

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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.