Home / 191,539,496,825.22-287,309,521,755.40-78,219,222,844.10

Finding the Fourth Proportional to 191,539,496,825.22, 287,309,521,755.40 and 78,219,222,844.10

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Solution

The fourth proportional to 191,539,496,825.22, 287,309,521,755.40 and 78,219,222,844.10 is: 117,328,947,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,539,496,825.22 : 287,309,521,755.40 = 78,219,222,844.10 : x
  2. Step 2: Convert to fraction form
    191,539,496,825.22/287,309,521,755.40 = 78,219,222,844.10/x
  3. Step 3: Cross multiply
    191,539,496,825.22x = 287,309,521,755.40 × 78,219,222,844.10
  4. Step 4: Simplify right side
    191,539,496,825.22x = 22,473,127,507,415,997,087,744
  5. Step 5: Solve for x
    x = 22,473,127,507,415,997,087,744/191,539,496,825.22
  6. Step 6: Final answer
    x = 117,328,947,187.97

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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.