Home / 189,161,918.08-260,811,528.95-155,553,949.07

Finding the Fourth Proportional to 189,161,918.08, 260,811,528.95 and 155,553,949.07

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Solution

The fourth proportional to 189,161,918.08, 260,811,528.95 and 155,553,949.07 is: 214,473,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,161,918.08 : 260,811,528.95 = 155,553,949.07 : x
  2. Step 2: Convert to fraction form
    189,161,918.08/260,811,528.95 = 155,553,949.07/x
  3. Step 3: Cross multiply
    189,161,918.08x = 260,811,528.95 × 155,553,949.07
  4. Step 4: Simplify right side
    189,161,918.08x = 40,570,263,290,344,232
  5. Step 5: Solve for x
    x = 40,570,263,290,344,232/189,161,918.08
  6. Step 6: Final answer
    x = 214,473,736.06

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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.