Home / 283,382,332.32-391,051,806.57-156,218,907.90

Finding the Fourth Proportional to 283,382,332.32, 391,051,806.57 and 156,218,907.90

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Solution

The fourth proportional to 283,382,332.32, 391,051,806.57 and 156,218,907.90 is: 215,573,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,382,332.32 : 391,051,806.57 = 156,218,907.90 : x
  2. Step 2: Convert to fraction form
    283,382,332.32/391,051,806.57 = 156,218,907.90/x
  3. Step 3: Cross multiply
    283,382,332.32x = 391,051,806.57 × 156,218,907.90
  4. Step 4: Simplify right side
    283,382,332.32x = 61,089,686,154,687,448
  5. Step 5: Solve for x
    x = 61,089,686,154,687,448/283,382,332.32
  6. Step 6: Final answer
    x = 215,573,376.27

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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.