Home / 155,487,063.78-214,573,617-88,502,750.55

Finding the Fourth Proportional to 155,487,063.78, 214,573,617 and 88,502,750.55

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Solution

The fourth proportional to 155,487,063.78, 214,573,617 and 88,502,750.55 is: 122,134,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,487,063.78 : 214,573,617 = 88,502,750.55 : x
  2. Step 2: Convert to fraction form
    155,487,063.78/214,573,617 = 88,502,750.55/x
  3. Step 3: Cross multiply
    155,487,063.78x = 214,573,617 × 88,502,750.55
  4. Step 4: Simplify right side
    155,487,063.78x = 18,990,355,299,962,240
  5. Step 5: Solve for x
    x = 18,990,355,299,962,240/155,487,063.78
  6. Step 6: Final answer
    x = 122,134,631.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.