Home / 407,568,137.80-611,352,206.70-134,938,904.80

Finding the Fourth Proportional to 407,568,137.80, 611,352,206.70 and 134,938,904.80

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Solution

The fourth proportional to 407,568,137.80, 611,352,206.70 and 134,938,904.80 is: 202,408,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,568,137.80 : 611,352,206.70 = 134,938,904.80 : x
  2. Step 2: Convert to fraction form
    407,568,137.80/611,352,206.70 = 134,938,904.80/x
  3. Step 3: Cross multiply
    407,568,137.80x = 611,352,206.70 × 134,938,904.80
  4. Step 4: Simplify right side
    407,568,137.80x = 82,495,197,219,161,232
  5. Step 5: Solve for x
    x = 82,495,197,219,161,232/407,568,137.80
  6. Step 6: Final answer
    x = 202,408,357.20

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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.