Home / 170,695,939.60-256,043,909.40-127,649,218.60

Finding the Fourth Proportional to 170,695,939.60, 256,043,909.40 and 127,649,218.60

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Solution

The fourth proportional to 170,695,939.60, 256,043,909.40 and 127,649,218.60 is: 191,473,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695,939.60 : 256,043,909.40 = 127,649,218.60 : x
  2. Step 2: Convert to fraction form
    170,695,939.60/256,043,909.40 = 127,649,218.60/x
  3. Step 3: Cross multiply
    170,695,939.60x = 256,043,909.40 × 127,649,218.60
  4. Step 4: Simplify right side
    170,695,939.60x = 32,683,804,962,199,196
  5. Step 5: Solve for x
    x = 32,683,804,962,199,196/170,695,939.60
  6. Step 6: Final answer
    x = 191,473,827.90

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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.