Home / 69,894,139.10-104,841,208.65-42,684,359.90

Finding the Fourth Proportional to 69,894,139.10, 104,841,208.65 and 42,684,359.90

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Solution

The fourth proportional to 69,894,139.10, 104,841,208.65 and 42,684,359.90 is: 64,026,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894,139.10 : 104,841,208.65 = 42,684,359.90 : x
  2. Step 2: Convert to fraction form
    69,894,139.10/104,841,208.65 = 42,684,359.90/x
  3. Step 3: Cross multiply
    69,894,139.10x = 104,841,208.65 × 42,684,359.90
  4. Step 4: Simplify right side
    69,894,139.10x = 4,475,079,882,367,593
  5. Step 5: Solve for x
    x = 4,475,079,882,367,593/69,894,139.10
  6. Step 6: Final answer
    x = 64,026,539.85

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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.