Home / 153,280,014.40-229,920,021.60-68,179,470.40

Finding the Fourth Proportional to 153,280,014.40, 229,920,021.60 and 68,179,470.40

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Solution

The fourth proportional to 153,280,014.40, 229,920,021.60 and 68,179,470.40 is: 102,269,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,280,014.40 : 229,920,021.60 = 68,179,470.40 : x
  2. Step 2: Convert to fraction form
    153,280,014.40/229,920,021.60 = 68,179,470.40/x
  3. Step 3: Cross multiply
    153,280,014.40x = 229,920,021.60 × 68,179,470.40
  4. Step 4: Simplify right side
    153,280,014.40x = 15,675,825,307,044,562
  5. Step 5: Solve for x
    x = 15,675,825,307,044,562/153,280,014.40
  6. Step 6: Final answer
    x = 102,269,205.60

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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.