Home / 102,355,711.80-153,309,618.90-61,895,628.60

Finding the Fourth Proportional to 102,355,711.80, 153,309,618.90 and 61,895,628.60

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Solution

The fourth proportional to 102,355,711.80, 153,309,618.90 and 61,895,628.60 is: 92,708,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355,711.80 : 153,309,618.90 = 61,895,628.60 : x
  2. Step 2: Convert to fraction form
    102,355,711.80/153,309,618.90 = 61,895,628.60/x
  3. Step 3: Cross multiply
    102,355,711.80x = 153,309,618.90 × 61,895,628.60
  4. Step 4: Simplify right side
    102,355,711.80x = 9,489,195,232,241,942
  5. Step 5: Solve for x
    x = 9,489,195,232,241,942/102,355,711.80
  6. Step 6: Final answer
    x = 92,708,018.59

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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.