Home / 125,465,675.40-187,946,570.70-71,550,001.80

Finding the Fourth Proportional to 125,465,675.40, 187,946,570.70 and 71,550,001.80

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Solution

The fourth proportional to 125,465,675.40, 187,946,570.70 and 71,550,001.80 is: 107,181,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,465,675.40 : 187,946,570.70 = 71,550,001.80 : x
  2. Step 2: Convert to fraction form
    125,465,675.40/187,946,570.70 = 71,550,001.80/x
  3. Step 3: Cross multiply
    125,465,675.40x = 187,946,570.70 × 71,550,001.80
  4. Step 4: Simplify right side
    125,465,675.40x = 13,447,577,471,888,826
  5. Step 5: Solve for x
    x = 13,447,577,471,888,826/125,465,675.40
  6. Step 6: Final answer
    x = 107,181,326.12

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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.