Home / 139,709,468.80-191,402,655.20-134,473,196.80

Finding the Fourth Proportional to 139,709,468.80, 191,402,655.20 and 134,473,196.80

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Solution

The fourth proportional to 139,709,468.80, 191,402,655.20 and 134,473,196.80 is: 184,228,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,709,468.80 : 191,402,655.20 = 134,473,196.80 : x
  2. Step 2: Convert to fraction form
    139,709,468.80/191,402,655.20 = 134,473,196.80/x
  3. Step 3: Cross multiply
    139,709,468.80x = 191,402,655.20 × 134,473,196.80
  4. Step 4: Simplify right side
    139,709,468.80x = 25,738,526,920,752,144
  5. Step 5: Solve for x
    x = 25,738,526,920,752,144/139,709,468.80
  6. Step 6: Final answer
    x = 184,228,936.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.