Home / 84,856,650,644.86-127,180,164,332.52-72,820,298,133.14

Finding the Fourth Proportional to 84,856,650,644.86, 127,180,164,332.52 and 72,820,298,133.14

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Solution

The fourth proportional to 84,856,650,644.86, 127,180,164,332.52 and 72,820,298,133.14 is: 109,140,502,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,856,650,644.86 : 127,180,164,332.52 = 72,820,298,133.14 : x
  2. Step 2: Convert to fraction form
    84,856,650,644.86/127,180,164,332.52 = 72,820,298,133.14/x
  3. Step 3: Cross multiply
    84,856,650,644.86x = 127,180,164,332.52 × 72,820,298,133.14
  4. Step 4: Simplify right side
    84,856,650,644.86x = 9,261,297,483,315,208,519,680
  5. Step 5: Solve for x
    x = 9,261,297,483,315,208,519,680/84,856,650,644.86
  6. Step 6: Final answer
    x = 109,140,502,399.46

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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.