Home / 100,462,032,002.80-150,693,048,004.20-86,503,415,273.20

Finding the Fourth Proportional to 100,462,032,002.80, 150,693,048,004.20 and 86,503,415,273.20

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Solution

The fourth proportional to 100,462,032,002.80, 150,693,048,004.20 and 86,503,415,273.20 is: 129,755,122,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,462,032,002.80 : 150,693,048,004.20 = 86,503,415,273.20 : x
  2. Step 2: Convert to fraction form
    100,462,032,002.80/150,693,048,004.20 = 86,503,415,273.20/x
  3. Step 3: Cross multiply
    100,462,032,002.80x = 150,693,048,004.20 × 86,503,415,273.20
  4. Step 4: Simplify right side
    100,462,032,002.80x = 13,035,463,310,291,576,553,472
  5. Step 5: Solve for x
    x = 13,035,463,310,291,576,553,472/100,462,032,002.80
  6. Step 6: Final answer
    x = 129,755,122,909.80

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1.5x scale

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.