Home / 82,944,443.40-124,416,665.10-42,559,009.80

Finding the Fourth Proportional to 82,944,443.40, 124,416,665.10 and 42,559,009.80

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Solution

The fourth proportional to 82,944,443.40, 124,416,665.10 and 42,559,009.80 is: 63,838,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,443.40 : 124,416,665.10 = 42,559,009.80 : x
  2. Step 2: Convert to fraction form
    82,944,443.40/124,416,665.10 = 42,559,009.80/x
  3. Step 3: Cross multiply
    82,944,443.40x = 124,416,665.10 × 42,559,009.80
  4. Step 4: Simplify right side
    82,944,443.40x = 5,295,050,069,274,217
  5. Step 5: Solve for x
    x = 5,295,050,069,274,217/82,944,443.40
  6. Step 6: Final answer
    x = 63,838,514.70

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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.