Home / 168,193,267.40-252,289,901.10-45,371,347.40

Finding the Fourth Proportional to 168,193,267.40, 252,289,901.10 and 45,371,347.40

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Solution

The fourth proportional to 168,193,267.40, 252,289,901.10 and 45,371,347.40 is: 68,057,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,193,267.40 : 252,289,901.10 = 45,371,347.40 : x
  2. Step 2: Convert to fraction form
    168,193,267.40/252,289,901.10 = 45,371,347.40/x
  3. Step 3: Cross multiply
    168,193,267.40x = 252,289,901.10 × 45,371,347.40
  4. Step 4: Simplify right side
    168,193,267.40x = 11,446,732,748,319,742
  5. Step 5: Solve for x
    x = 11,446,732,748,319,742/168,193,267.40
  6. Step 6: Final answer
    x = 68,057,021.10

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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.