Home / 111,984,909.54-167,941,036.80-42,894,036.60

Finding the Fourth Proportional to 111,984,909.54, 167,941,036.80 and 42,894,036.60

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Solution

The fourth proportional to 111,984,909.54, 167,941,036.80 and 42,894,036.60 is: 64,327,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,984,909.54 : 167,941,036.80 = 42,894,036.60 : x
  2. Step 2: Convert to fraction form
    111,984,909.54/167,941,036.80 = 42,894,036.60/x
  3. Step 3: Cross multiply
    111,984,909.54x = 167,941,036.80 × 42,894,036.60
  4. Step 4: Simplify right side
    111,984,909.54x = 7,203,668,979,141,148
  5. Step 5: Solve for x
    x = 7,203,668,979,141,148/111,984,909.54
  6. Step 6: Final answer
    x = 64,327,140.23

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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.