Home / 125,976,171.60-188,935,899.30-45,197,139.60

Finding the Fourth Proportional to 125,976,171.60, 188,935,899.30 and 45,197,139.60

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Solution

The fourth proportional to 125,976,171.60, 188,935,899.30 and 45,197,139.60 is: 67,785,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,171.60 : 188,935,899.30 = 45,197,139.60 : x
  2. Step 2: Convert to fraction form
    125,976,171.60/188,935,899.30 = 45,197,139.60/x
  3. Step 3: Cross multiply
    125,976,171.60x = 188,935,899.30 × 45,197,139.60
  4. Step 4: Simplify right side
    125,976,171.60x = 8,539,362,216,113,643
  5. Step 5: Solve for x
    x = 8,539,362,216,113,643/125,976,171.60
  6. Step 6: Final answer
    x = 67,785,535.21

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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.