Home / 259,020,148.32-388,731,702.24-180,788,830.56

Finding the Fourth Proportional to 259,020,148.32, 388,731,702.24 and 180,788,830.56

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Solution

The fourth proportional to 259,020,148.32, 388,731,702.24 and 180,788,830.56 is: 271,323,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,020,148.32 : 388,731,702.24 = 180,788,830.56 : x
  2. Step 2: Convert to fraction form
    259,020,148.32/388,731,702.24 = 180,788,830.56/x
  3. Step 3: Cross multiply
    259,020,148.32x = 388,731,702.24 × 180,788,830.56
  4. Step 4: Simplify right side
    259,020,148.32x = 70,278,349,849,567,736
  5. Step 5: Solve for x
    x = 70,278,349,849,567,736/259,020,148.32
  6. Step 6: Final answer
    x = 271,323,873.09

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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.