Home / 137,213,639.52-189,346,338.96-75,333,631.20

Finding the Fourth Proportional to 137,213,639.52, 189,346,338.96 and 75,333,631.20

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Solution

The fourth proportional to 137,213,639.52, 189,346,338.96 and 75,333,631.20 is: 103,955,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,213,639.52 : 189,346,338.96 = 75,333,631.20 : x
  2. Step 2: Convert to fraction form
    137,213,639.52/189,346,338.96 = 75,333,631.20/x
  3. Step 3: Cross multiply
    137,213,639.52x = 189,346,338.96 × 75,333,631.20
  4. Step 4: Simplify right side
    137,213,639.52x = 14,264,147,268,282,832
  5. Step 5: Solve for x
    x = 14,264,147,268,282,832/137,213,639.52
  6. Step 6: Final answer
    x = 103,955,753.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.