Home / 54,436,196,689.60-81,654,295,034.40-45,138,104,953.60

Finding the Fourth Proportional to 54,436,196,689.60, 81,654,295,034.40 and 45,138,104,953.60

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Solution

The fourth proportional to 54,436,196,689.60, 81,654,295,034.40 and 45,138,104,953.60 is: 67,707,157,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436,196,689.60 : 81,654,295,034.40 = 45,138,104,953.60 : x
  2. Step 2: Convert to fraction form
    54,436,196,689.60/81,654,295,034.40 = 45,138,104,953.60/x
  3. Step 3: Cross multiply
    54,436,196,689.60x = 81,654,295,034.40 × 45,138,104,953.60
  4. Step 4: Simplify right side
    54,436,196,689.60x = 3,685,720,139,174,966,198,272
  5. Step 5: Solve for x
    x = 3,685,720,139,174,966,198,272/54,436,196,689.60
  6. Step 6: Final answer
    x = 67,707,157,430.40

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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.