Home / 102,018,821.20-153,326,830.20-88,880,491.60

Finding the Fourth Proportional to 102,018,821.20, 153,326,830.20 and 88,880,491.60

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Solution

The fourth proportional to 102,018,821.20, 153,326,830.20 and 88,880,491.60 is: 133,580,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,018,821.20 : 153,326,830.20 = 88,880,491.60 : x
  2. Step 2: Convert to fraction form
    102,018,821.20/153,326,830.20 = 88,880,491.60/x
  3. Step 3: Cross multiply
    102,018,821.20x = 153,326,830.20 × 88,880,491.60
  4. Step 4: Simplify right side
    102,018,821.20x = 13,627,764,043,645,724
  5. Step 5: Solve for x
    x = 13,627,764,043,645,724/102,018,821.20
  6. Step 6: Final answer
    x = 133,580,881.29

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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.