Home / 338,928,008.00-508,588,153.85-142,173,800.45

Finding the Fourth Proportional to 338,928,008.00, 508,588,153.85 and 142,173,800.45

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Solution

The fourth proportional to 338,928,008.00, 508,588,153.85 and 142,173,800.45 is: 213,342,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,928,008.00 : 508,588,153.85 = 142,173,800.45 : x
  2. Step 2: Convert to fraction form
    338,928,008.00/508,588,153.85 = 142,173,800.45/x
  3. Step 3: Cross multiply
    338,928,008.00x = 508,588,153.85 × 142,173,800.45
  4. Step 4: Simplify right side
    338,928,008.00x = 72,307,910,698,484,160
  5. Step 5: Solve for x
    x = 72,307,910,698,484,160/338,928,008.00
  6. Step 6: Final answer
    x = 213,342,978.43

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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.