Home / 191,690,029.35-287,242,457.15-113,813,578.83

Finding the Fourth Proportional to 191,690,029.35, 287,242,457.15 and 113,813,578.83

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Solution

The fourth proportional to 191,690,029.35, 287,242,457.15 and 113,813,578.83 is: 170,546,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,690,029.35 : 287,242,457.15 = 113,813,578.83 : x
  2. Step 2: Convert to fraction form
    191,690,029.35/287,242,457.15 = 113,813,578.83/x
  3. Step 3: Cross multiply
    191,690,029.35x = 287,242,457.15 × 113,813,578.83
  4. Step 4: Simplify right side
    191,690,029.35x = 32,692,092,039,595,352
  5. Step 5: Solve for x
    x = 32,692,092,039,595,352/191,690,029.35
  6. Step 6: Final answer
    x = 170,546,648.41

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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.