Home / 123,628,892.40-185,443,338.60-55,473,807.60

Finding the Fourth Proportional to 123,628,892.40, 185,443,338.60 and 55,473,807.60

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Solution

The fourth proportional to 123,628,892.40, 185,443,338.60 and 55,473,807.60 is: 83,210,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,628,892.40 : 185,443,338.60 = 55,473,807.60 : x
  2. Step 2: Convert to fraction form
    123,628,892.40/185,443,338.60 = 55,473,807.60/x
  3. Step 3: Cross multiply
    123,628,892.40x = 185,443,338.60 × 55,473,807.60
  4. Step 4: Simplify right side
    123,628,892.40x = 10,287,248,086,198,054
  5. Step 5: Solve for x
    x = 10,287,248,086,198,054/123,628,892.40
  6. Step 6: Final answer
    x = 83,210,711.40

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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.