Home / 43,042,752,130.20-64,564,128,195.30-31,288,127,515.80

Finding the Fourth Proportional to 43,042,752,130.20, 64,564,128,195.30 and 31,288,127,515.80

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Solution

The fourth proportional to 43,042,752,130.20, 64,564,128,195.30 and 31,288,127,515.80 is: 46,932,191,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042,752,130.20 : 64,564,128,195.30 = 31,288,127,515.80 : x
  2. Step 2: Convert to fraction form
    43,042,752,130.20/64,564,128,195.30 = 31,288,127,515.80/x
  3. Step 3: Cross multiply
    43,042,752,130.20x = 64,564,128,195.30 × 31,288,127,515.80
  4. Step 4: Simplify right side
    43,042,752,130.20x = 2,020,090,675,921,004,527,616
  5. Step 5: Solve for x
    x = 2,020,090,675,921,004,527,616/43,042,752,130.20
  6. Step 6: Final answer
    x = 46,932,191,273.70

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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.