Home / 283,731,900.71-391,549,846.12-153,351,708.71

Finding the Fourth Proportional to 283,731,900.71, 391,549,846.12 and 153,351,708.71

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Solution

The fourth proportional to 283,731,900.71, 391,549,846.12 and 153,351,708.71 is: 211,625,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,731,900.71 : 391,549,846.12 = 153,351,708.71 : x
  2. Step 2: Convert to fraction form
    283,731,900.71/391,549,846.12 = 153,351,708.71/x
  3. Step 3: Cross multiply
    283,731,900.71x = 391,549,846.12 × 153,351,708.71
  4. Step 4: Simplify right side
    283,731,900.71x = 60,044,837,945,298,440
  5. Step 5: Solve for x
    x = 60,044,837,945,298,440/283,731,900.71
  6. Step 6: Final answer
    x = 211,625,262.43

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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.