Home / 69,437,742.40-104,050,325.40-65,611,367.20

Finding the Fourth Proportional to 69,437,742.40, 104,050,325.40 and 65,611,367.20

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Solution

The fourth proportional to 69,437,742.40, 104,050,325.40 and 65,611,367.20 is: 98,316,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437,742.40 : 104,050,325.40 = 65,611,367.20 : x
  2. Step 2: Convert to fraction form
    69,437,742.40/104,050,325.40 = 65,611,367.20/x
  3. Step 3: Cross multiply
    69,437,742.40x = 104,050,325.40 × 65,611,367.20
  4. Step 4: Simplify right side
    69,437,742.40x = 6,826,884,107,098,888
  5. Step 5: Solve for x
    x = 6,826,884,107,098,888/69,437,742.40
  6. Step 6: Final answer
    x = 98,316,619.62

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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.