Home / 92,761,378.08-128,022,511.52-56,092,211.52

Finding the Fourth Proportional to 92,761,378.08, 128,022,511.52 and 56,092,211.52

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Solution

The fourth proportional to 92,761,378.08, 128,022,511.52 and 56,092,211.52 is: 77,414,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761,378.08 : 128,022,511.52 = 56,092,211.52 : x
  2. Step 2: Convert to fraction form
    92,761,378.08/128,022,511.52 = 56,092,211.52/x
  3. Step 3: Cross multiply
    92,761,378.08x = 128,022,511.52 × 56,092,211.52
  4. Step 4: Simplify right side
    92,761,378.08x = 7,181,065,795,501,477
  5. Step 5: Solve for x
    x = 7,181,065,795,501,477/92,761,378.08
  6. Step 6: Final answer
    x = 77,414,393.19

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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.