Home / 141,525,145.80-195,312,740.16-85,027,171.92

Finding the Fourth Proportional to 141,525,145.80, 195,312,740.16 and 85,027,171.92

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Solution

The fourth proportional to 141,525,145.80, 195,312,740.16 and 85,027,171.92 is: 117,342,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,525,145.80 : 195,312,740.16 = 85,027,171.92 : x
  2. Step 2: Convert to fraction form
    141,525,145.80/195,312,740.16 = 85,027,171.92/x
  3. Step 3: Cross multiply
    141,525,145.80x = 195,312,740.16 × 85,027,171.92
  4. Step 4: Simplify right side
    141,525,145.80x = 16,606,889,935,750,608
  5. Step 5: Solve for x
    x = 16,606,889,935,750,608/141,525,145.80
  6. Step 6: Final answer
    x = 117,342,326.99

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1.5x scale

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.