Home / 92,761,379.08-128,022,512.90-56,092,212.52

Finding the Fourth Proportional to 92,761,379.08, 128,022,512.90 and 56,092,212.52

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Solution

The fourth proportional to 92,761,379.08, 128,022,512.90 and 56,092,212.52 is: 77,414,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761,379.08 : 128,022,512.90 = 56,092,212.52 : x
  2. Step 2: Convert to fraction form
    92,761,379.08/128,022,512.90 = 56,092,212.52/x
  3. Step 3: Cross multiply
    92,761,379.08x = 128,022,512.90 × 56,092,212.52
  4. Step 4: Simplify right side
    92,761,379.08x = 7,181,066,000,931,242
  5. Step 5: Solve for x
    x = 7,181,066,000,931,242/92,761,379.08
  6. Step 6: Final answer
    x = 77,414,394.57

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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.