Home / 139,969,204.80-209,953,807.20-59,190,172.80

Finding the Fourth Proportional to 139,969,204.80, 209,953,807.20 and 59,190,172.80

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Solution

The fourth proportional to 139,969,204.80, 209,953,807.20 and 59,190,172.80 is: 88,785,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,204.80 : 209,953,807.20 = 59,190,172.80 : x
  2. Step 2: Convert to fraction form
    139,969,204.80/209,953,807.20 = 59,190,172.80/x
  3. Step 3: Cross multiply
    139,969,204.80x = 209,953,807.20 × 59,190,172.80
  4. Step 4: Simplify right side
    139,969,204.80x = 12,427,202,128,185,882
  5. Step 5: Solve for x
    x = 12,427,202,128,185,882/139,969,204.80
  6. Step 6: Final answer
    x = 88,785,259.20

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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.