Home / 191,461,857.40-286,555,056.90-168,503,606.20

Finding the Fourth Proportional to 191,461,857.40, 286,555,056.90 and 168,503,606.20

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Solution

The fourth proportional to 191,461,857.40, 286,555,056.90 and 168,503,606.20 is: 252,194,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,461,857.40 : 286,555,056.90 = 168,503,606.20 : x
  2. Step 2: Convert to fraction form
    191,461,857.40/286,555,056.90 = 168,503,606.20/x
  3. Step 3: Cross multiply
    191,461,857.40x = 286,555,056.90 × 168,503,606.20
  4. Step 4: Simplify right side
    191,461,857.40x = 48,285,560,462,496,184
  5. Step 5: Solve for x
    x = 48,285,560,462,496,184/191,461,857.40
  6. Step 6: Final answer
    x = 252,194,150.41

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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.