Home / 189,418,205.60-284,127,308.40-87,381,533.60

Finding the Fourth Proportional to 189,418,205.60, 284,127,308.40 and 87,381,533.60

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Solution

The fourth proportional to 189,418,205.60, 284,127,308.40 and 87,381,533.60 is: 131,072,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,418,205.60 : 284,127,308.40 = 87,381,533.60 : x
  2. Step 2: Convert to fraction form
    189,418,205.60/284,127,308.40 = 87,381,533.60/x
  3. Step 3: Cross multiply
    189,418,205.60x = 284,127,308.40 × 87,381,533.60
  4. Step 4: Simplify right side
    189,418,205.60x = 24,827,479,945,632,160
  5. Step 5: Solve for x
    x = 24,827,479,945,632,160/189,418,205.60
  6. Step 6: Final answer
    x = 131,072,300.40

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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.