Home / 99,732,528.27-137,643,584.99-57,908,267.37

Finding the Fourth Proportional to 99,732,528.27, 137,643,584.99 and 57,908,267.37

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Solution

The fourth proportional to 99,732,528.27, 137,643,584.99 and 57,908,267.37 is: 79,920,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732,528.27 : 137,643,584.99 = 57,908,267.37 : x
  2. Step 2: Convert to fraction form
    99,732,528.27/137,643,584.99 = 57,908,267.37/x
  3. Step 3: Cross multiply
    99,732,528.27x = 137,643,584.99 × 57,908,267.37
  4. Step 4: Simplify right side
    99,732,528.27x = 7,970,701,521,076,698
  5. Step 5: Solve for x
    x = 7,970,701,521,076,698/99,732,528.27
  6. Step 6: Final answer
    x = 79,920,780.71

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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.