Home / 189,558,591.20-284,337,886.80-155,121,214.40

Finding the Fourth Proportional to 189,558,591.20, 284,337,886.80 and 155,121,214.40

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Solution

The fourth proportional to 189,558,591.20, 284,337,886.80 and 155,121,214.40 is: 232,681,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558,591.20 : 284,337,886.80 = 155,121,214.40 : x
  2. Step 2: Convert to fraction form
    189,558,591.20/284,337,886.80 = 155,121,214.40/x
  3. Step 3: Cross multiply
    189,558,591.20x = 284,337,886.80 × 155,121,214.40
  4. Step 4: Simplify right side
    189,558,591.20x = 44,106,838,300,345,736
  5. Step 5: Solve for x
    x = 44,106,838,300,345,736/189,558,591.20
  6. Step 6: Final answer
    x = 232,681,821.60

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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.