Home / 218,688,092.40-328,032,138.60-89,252,684.40

Finding the Fourth Proportional to 218,688,092.40, 328,032,138.60 and 89,252,684.40

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Solution

The fourth proportional to 218,688,092.40, 328,032,138.60 and 89,252,684.40 is: 133,879,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,688,092.40 : 328,032,138.60 = 89,252,684.40 : x
  2. Step 2: Convert to fraction form
    218,688,092.40/328,032,138.60 = 89,252,684.40/x
  3. Step 3: Cross multiply
    218,688,092.40x = 328,032,138.60 × 89,252,684.40
  4. Step 4: Simplify right side
    218,688,092.40x = 29,277,748,939,522,860
  5. Step 5: Solve for x
    x = 29,277,748,939,522,860/218,688,092.40
  6. Step 6: Final answer
    x = 133,879,026.60

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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.