Home / 191,539,496,797.21-287,309,521,713.38-78,219,222,816.10

Finding the Fourth Proportional to 191,539,496,797.21, 287,309,521,713.38 and 78,219,222,816.10

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Solution

The fourth proportional to 191,539,496,797.21, 287,309,521,713.38 and 78,219,222,816.10 is: 117,328,947,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,539,496,797.21 : 287,309,521,713.38 = 78,219,222,816.10 : x
  2. Step 2: Convert to fraction form
    191,539,496,797.21/287,309,521,713.38 = 78,219,222,816.10/x
  3. Step 3: Cross multiply
    191,539,496,797.21x = 287,309,521,713.38 × 78,219,222,816.10
  4. Step 4: Simplify right side
    191,539,496,797.21x = 22,473,127,496,085,420,376,064
  5. Step 5: Solve for x
    x = 22,473,127,496,085,420,376,064/191,539,496,797.21
  6. Step 6: Final answer
    x = 117,328,947,145.97

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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.