Home / 139,713,108.40-209,569,662.60-48,827,220.40

Finding the Fourth Proportional to 139,713,108.40, 209,569,662.60 and 48,827,220.40

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Solution

The fourth proportional to 139,713,108.40, 209,569,662.60 and 48,827,220.40 is: 73,240,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,713,108.40 : 209,569,662.60 = 48,827,220.40 : x
  2. Step 2: Convert to fraction form
    139,713,108.40/209,569,662.60 = 48,827,220.40/x
  3. Step 3: Cross multiply
    139,713,108.40x = 209,569,662.60 × 48,827,220.40
  4. Step 4: Simplify right side
    139,713,108.40x = 10,232,704,104,923,836
  5. Step 5: Solve for x
    x = 10,232,704,104,923,836/139,713,108.40
  6. Step 6: Final answer
    x = 73,240,830.60

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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.