Home / 159,130,246,909.45-219,598,623,605.77-86,872,311,753.69

Finding the Fourth Proportional to 159,130,246,909.45, 219,598,623,605.77 and 86,872,311,753.69

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Solution

The fourth proportional to 159,130,246,909.45, 219,598,623,605.77 and 86,872,311,753.69 is: 119,883,180,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130,246,909.45 : 219,598,623,605.77 = 86,872,311,753.69 : x
  2. Step 2: Convert to fraction form
    159,130,246,909.45/219,598,623,605.77 = 86,872,311,753.69/x
  3. Step 3: Cross multiply
    159,130,246,909.45x = 219,598,623,605.77 × 86,872,311,753.69
  4. Step 4: Simplify right side
    159,130,246,909.45x = 19,077,040,090,560,581,337,088
  5. Step 5: Solve for x
    x = 19,077,040,090,560,581,337,088/159,130,246,909.45
  6. Step 6: Final answer
    x = 119,883,180,357.38

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1.5x scale

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.