Home / 120,272,539,659.54-165,990,333,672.20-71,443,553,047.93

Finding the Fourth Proportional to 120,272,539,659.54, 165,990,333,672.20 and 71,443,553,047.93

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Solution

The fourth proportional to 120,272,539,659.54, 165,990,333,672.20 and 71,443,553,047.93 is: 98,600,555,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,272,539,659.54 : 165,990,333,672.20 = 71,443,553,047.93 : x
  2. Step 2: Convert to fraction form
    120,272,539,659.54/165,990,333,672.20 = 71,443,553,047.93/x
  3. Step 3: Cross multiply
    120,272,539,659.54x = 165,990,333,672.20 × 71,443,553,047.93
  4. Step 4: Simplify right side
    120,272,539,659.54x = 11,858,939,209,153,756,790,784
  5. Step 5: Solve for x
    x = 11,858,939,209,153,756,790,784/120,272,539,659.54
  6. Step 6: Final answer
    x = 98,600,555,394.63

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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.