Home / 141,873,676.80-212,810,515.20-39,637,550.40

Finding the Fourth Proportional to 141,873,676.80, 212,810,515.20 and 39,637,550.40

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Solution

The fourth proportional to 141,873,676.80, 212,810,515.20 and 39,637,550.40 is: 59,456,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,873,676.80 : 212,810,515.20 = 39,637,550.40 : x
  2. Step 2: Convert to fraction form
    141,873,676.80/212,810,515.20 = 39,637,550.40/x
  3. Step 3: Cross multiply
    141,873,676.80x = 212,810,515.20 × 39,637,550.40
  4. Step 4: Simplify right side
    141,873,676.80x = 8,435,287,521,889,965
  5. Step 5: Solve for x
    x = 8,435,287,521,889,965/141,873,676.80
  6. Step 6: Final answer
    x = 59,456,325.60

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1.5x scale

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.