Home / 69,579,095.20-104,368,642.80-65,611,002.40

Finding the Fourth Proportional to 69,579,095.20, 104,368,642.80 and 65,611,002.40

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Solution

The fourth proportional to 69,579,095.20, 104,368,642.80 and 65,611,002.40 is: 98,416,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,579,095.20 : 104,368,642.80 = 65,611,002.40 : x
  2. Step 2: Convert to fraction form
    69,579,095.20/104,368,642.80 = 65,611,002.40/x
  3. Step 3: Cross multiply
    69,579,095.20x = 104,368,642.80 × 65,611,002.40
  4. Step 4: Simplify right side
    69,579,095.20x = 6,847,731,273,235,542
  5. Step 5: Solve for x
    x = 6,847,731,273,235,542/69,579,095.20
  6. Step 6: Final answer
    x = 98,416,503.60

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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.