Home / 117,524,140.90-176,286,211.35-71,539,987.30

Finding the Fourth Proportional to 117,524,140.90, 176,286,211.35 and 71,539,987.30

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Solution

The fourth proportional to 117,524,140.90, 176,286,211.35 and 71,539,987.30 is: 107,309,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524,140.90 : 176,286,211.35 = 71,539,987.30 : x
  2. Step 2: Convert to fraction form
    117,524,140.90/176,286,211.35 = 71,539,987.30/x
  3. Step 3: Cross multiply
    117,524,140.90x = 176,286,211.35 × 71,539,987.30
  4. Step 4: Simplify right side
    117,524,140.90x = 12,611,513,321,144,114
  5. Step 5: Solve for x
    x = 12,611,513,321,144,114/117,524,140.90
  6. Step 6: Final answer
    x = 107,309,980.95

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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.