Home / 99,678,588,470.65-137,556,458,813.08-54,568,315,282.70

Finding the Fourth Proportional to 99,678,588,470.65, 137,556,458,813.08 and 54,568,315,282.70

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Solution

The fourth proportional to 99,678,588,470.65, 137,556,458,813.08 and 54,568,315,282.70 is: 75,304,278,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,678,588,470.65 : 137,556,458,813.08 = 54,568,315,282.70 : x
  2. Step 2: Convert to fraction form
    99,678,588,470.65/137,556,458,813.08 = 54,568,315,282.70/x
  3. Step 3: Cross multiply
    99,678,588,470.65x = 137,556,458,813.08 × 54,568,315,282.70
  4. Step 4: Simplify right side
    99,678,588,470.65x = 7,506,224,213,684,161,347,584
  5. Step 5: Solve for x
    x = 7,506,224,213,684,161,347,584/99,678,588,470.65
  6. Step 6: Final answer
    x = 75,304,278,770.91

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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.