Home / 112,928,000.80-169,392,001.20-102,514,381.60

Finding the Fourth Proportional to 112,928,000.80, 169,392,001.20 and 102,514,381.60

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Solution

The fourth proportional to 112,928,000.80, 169,392,001.20 and 102,514,381.60 is: 153,771,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,928,000.80 : 169,392,001.20 = 102,514,381.60 : x
  2. Step 2: Convert to fraction form
    112,928,000.80/169,392,001.20 = 102,514,381.60/x
  3. Step 3: Cross multiply
    112,928,000.80x = 169,392,001.20 × 102,514,381.60
  4. Step 4: Simplify right side
    112,928,000.80x = 17,365,116,251,004,456
  5. Step 5: Solve for x
    x = 17,365,116,251,004,456/112,928,000.80
  6. Step 6: Final answer
    x = 153,771,572.40

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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.