Home / 70,145,029.59-96,803,514.72-38,782,498.23

Finding the Fourth Proportional to 70,145,029.59, 96,803,514.72 and 38,782,498.23

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Solution

The fourth proportional to 70,145,029.59, 96,803,514.72 and 38,782,498.23 is: 53,521,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,145,029.59 : 96,803,514.72 = 38,782,498.23 : x
  2. Step 2: Convert to fraction form
    70,145,029.59/96,803,514.72 = 38,782,498.23/x
  3. Step 3: Cross multiply
    70,145,029.59x = 96,803,514.72 × 38,782,498.23
  4. Step 4: Simplify right side
    70,145,029.59x = 3,754,282,138,286,178.50
  5. Step 5: Solve for x
    x = 3,754,282,138,286,178.50/70,145,029.59
  6. Step 6: Final answer
    x = 53,521,712.95

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Double scale
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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.