Home / 219,084,828.09-328,688,679.60-88,019,139.60

Finding the Fourth Proportional to 219,084,828.09, 328,688,679.60 and 88,019,139.60

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Solution

The fourth proportional to 219,084,828.09, 328,688,679.60 and 88,019,139.60 is: 132,053,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,084,828.09 : 328,688,679.60 = 88,019,139.60 : x
  2. Step 2: Convert to fraction form
    219,084,828.09/328,688,679.60 = 88,019,139.60/x
  3. Step 3: Cross multiply
    219,084,828.09x = 328,688,679.60 × 88,019,139.60
  4. Step 4: Simplify right side
    219,084,828.09x = 28,930,894,774,652,072
  5. Step 5: Solve for x
    x = 28,930,894,774,652,072/219,084,828.09
  6. Step 6: Final answer
    x = 132,053,392.41

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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.