Home / 207,718,881.40-311,326,379.70-92,581,204.60

Finding the Fourth Proportional to 207,718,881.40, 311,326,379.70 and 92,581,204.60

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Solution

The fourth proportional to 207,718,881.40, 311,326,379.70 and 92,581,204.60 is: 138,759,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,718,881.40 : 311,326,379.70 = 92,581,204.60 : x
  2. Step 2: Convert to fraction form
    207,718,881.40/311,326,379.70 = 92,581,204.60/x
  3. Step 3: Cross multiply
    207,718,881.40x = 311,326,379.70 × 92,581,204.60
  4. Step 4: Simplify right side
    207,718,881.40x = 28,822,971,256,382,984
  5. Step 5: Solve for x
    x = 28,822,971,256,382,984/207,718,881.40
  6. Step 6: Final answer
    x = 138,759,515.08

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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.