Home / 51,612,369.57-71,225,065.85-28,091,074.95

Finding the Fourth Proportional to 51,612,369.57, 71,225,065.85 and 28,091,074.95

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Solution

The fourth proportional to 51,612,369.57, 71,225,065.85 and 28,091,074.95 is: 38,765,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612,369.57 : 71,225,065.85 = 28,091,074.95 : x
  2. Step 2: Convert to fraction form
    51,612,369.57/71,225,065.85 = 28,091,074.95/x
  3. Step 3: Cross multiply
    51,612,369.57x = 71,225,065.85 × 28,091,074.95
  4. Step 4: Simplify right side
    51,612,369.57x = 2,000,788,662,970,580
  5. Step 5: Solve for x
    x = 2,000,788,662,970,580/51,612,369.57
  6. Step 6: Final answer
    x = 38,765,681.17

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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.