Home / 145,220,595.60-217,830,893.40-127,647,613.20

Finding the Fourth Proportional to 145,220,595.60, 217,830,893.40 and 127,647,613.20

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Solution

The fourth proportional to 145,220,595.60, 217,830,893.40 and 127,647,613.20 is: 191,471,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,595.60 : 217,830,893.40 = 127,647,613.20 : x
  2. Step 2: Convert to fraction form
    145,220,595.60/217,830,893.40 = 127,647,613.20/x
  3. Step 3: Cross multiply
    145,220,595.60x = 217,830,893.40 × 127,647,613.20
  4. Step 4: Simplify right side
    145,220,595.60x = 27,805,593,623,733,636
  5. Step 5: Solve for x
    x = 27,805,593,623,733,636/145,220,595.60
  6. Step 6: Final answer
    x = 191,471,419.80

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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.