Home / 177,948,915.23-245,595,284.38-99,637,515.43

Finding the Fourth Proportional to 177,948,915.23, 245,595,284.38 and 99,637,515.43

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Solution

The fourth proportional to 177,948,915.23, 245,595,284.38 and 99,637,515.43 is: 137,514,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,948,915.23 : 245,595,284.38 = 99,637,515.43 : x
  2. Step 2: Convert to fraction form
    177,948,915.23/245,595,284.38 = 99,637,515.43/x
  3. Step 3: Cross multiply
    177,948,915.23x = 245,595,284.38 × 99,637,515.43
  4. Step 4: Simplify right side
    177,948,915.23x = 24,470,503,936,458,044
  5. Step 5: Solve for x
    x = 24,470,503,936,458,044/177,948,915.23
  6. Step 6: Final answer
    x = 137,514,206.84

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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.