Home / 87,574,513,102.80-120,861,835,644.33-53,282,654,148.84

Finding the Fourth Proportional to 87,574,513,102.80, 120,861,835,644.33 and 53,282,654,148.84

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Solution

The fourth proportional to 87,574,513,102.80, 120,861,835,644.33 and 53,282,654,148.84 is: 73,535,543,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,574,513,102.80 : 120,861,835,644.33 = 53,282,654,148.84 : x
  2. Step 2: Convert to fraction form
    87,574,513,102.80/120,861,835,644.33 = 53,282,654,148.84/x
  3. Step 3: Cross multiply
    87,574,513,102.80x = 120,861,835,644.33 × 53,282,654,148.84
  4. Step 4: Simplify right side
    87,574,513,102.80x = 6,439,839,388,430,777,712,640
  5. Step 5: Solve for x
    x = 6,439,839,388,430,777,712,640/87,574,513,102.80
  6. Step 6: Final answer
    x = 73,535,543,165.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.