Home / 218,321,191.92-301,309,666.80-124,258,210.08

Finding the Fourth Proportional to 218,321,191.92, 301,309,666.80 and 124,258,210.08

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Solution

The fourth proportional to 218,321,191.92, 301,309,666.80 and 124,258,210.08 is: 171,491,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,321,191.92 : 301,309,666.80 = 124,258,210.08 : x
  2. Step 2: Convert to fraction form
    218,321,191.92/301,309,666.80 = 124,258,210.08/x
  3. Step 3: Cross multiply
    218,321,191.92x = 301,309,666.80 × 124,258,210.08
  4. Step 4: Simplify right side
    218,321,191.92x = 37,440,199,876,369,200
  5. Step 5: Solve for x
    x = 37,440,199,876,369,200/218,321,191.92
  6. Step 6: Final answer
    x = 171,491,368.05

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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.