Home / 191,461,856.90-286,555,056.15-168,503,605.70

Finding the Fourth Proportional to 191,461,856.90, 286,555,056.15 and 168,503,605.70

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Solution

The fourth proportional to 191,461,856.90, 286,555,056.15 and 168,503,605.70 is: 252,194,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,461,856.90 : 286,555,056.15 = 168,503,605.70 : x
  2. Step 2: Convert to fraction form
    191,461,856.90/286,555,056.15 = 168,503,605.70/x
  3. Step 3: Cross multiply
    191,461,856.90x = 286,555,056.15 × 168,503,605.70
  4. Step 4: Simplify right side
    191,461,856.90x = 48,285,560,192,840,952
  5. Step 5: Solve for x
    x = 48,285,560,192,840,952/191,461,856.90
  6. Step 6: Final answer
    x = 252,194,149.66

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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.