Home / 89,388,287.20-134,082,430.80-53,108,581.60

Finding the Fourth Proportional to 89,388,287.20, 134,082,430.80 and 53,108,581.60

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Solution

The fourth proportional to 89,388,287.20, 134,082,430.80 and 53,108,581.60 is: 79,662,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,388,287.20 : 134,082,430.80 = 53,108,581.60 : x
  2. Step 2: Convert to fraction form
    89,388,287.20/134,082,430.80 = 53,108,581.60/x
  3. Step 3: Cross multiply
    89,388,287.20x = 134,082,430.80 × 53,108,581.60
  4. Step 4: Simplify right side
    89,388,287.20x = 7,120,927,717,268,153
  5. Step 5: Solve for x
    x = 7,120,927,717,268,153/89,388,287.20
  6. Step 6: Final answer
    x = 79,662,872.40

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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.