Home / 185,666,368.98-278,039,866.99-136,365,314.67

Finding the Fourth Proportional to 185,666,368.98, 278,039,866.99 and 136,365,314.67

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Solution

The fourth proportional to 185,666,368.98, 278,039,866.99 and 136,365,314.67 is: 204,210,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,666,368.98 : 278,039,866.99 = 136,365,314.67 : x
  2. Step 2: Convert to fraction form
    185,666,368.98/278,039,866.99 = 136,365,314.67/x
  3. Step 3: Cross multiply
    185,666,368.98x = 278,039,866.99 × 136,365,314.67
  4. Step 4: Simplify right side
    185,666,368.98x = 37,914,993,952,896,296
  5. Step 5: Solve for x
    x = 37,914,993,952,896,296/185,666,368.98
  6. Step 6: Final answer
    x = 204,210,348.71

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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.