Home / 149,413,619.40-224,120,429.10-91,718,809.80

Finding the Fourth Proportional to 149,413,619.40, 224,120,429.10 and 91,718,809.80

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Solution

The fourth proportional to 149,413,619.40, 224,120,429.10 and 91,718,809.80 is: 137,578,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,413,619.40 : 224,120,429.10 = 91,718,809.80 : x
  2. Step 2: Convert to fraction form
    149,413,619.40/224,120,429.10 = 91,718,809.80/x
  3. Step 3: Cross multiply
    149,413,619.40x = 224,120,429.10 × 91,718,809.80
  4. Step 4: Simplify right side
    149,413,619.40x = 20,556,059,008,917,284
  5. Step 5: Solve for x
    x = 20,556,059,008,917,284/149,413,619.40
  6. Step 6: Final answer
    x = 137,578,214.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.