Home / 209,808,001.80-314,995,437.90-133,280,497.80

Finding the Fourth Proportional to 209,808,001.80, 314,995,437.90 and 133,280,497.80

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Solution

The fourth proportional to 209,808,001.80, 314,995,437.90 and 133,280,497.80 is: 200,100,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,808,001.80 : 314,995,437.90 = 133,280,497.80 : x
  2. Step 2: Convert to fraction form
    209,808,001.80/314,995,437.90 = 133,280,497.80/x
  3. Step 3: Cross multiply
    209,808,001.80x = 314,995,437.90 × 133,280,497.80
  4. Step 4: Simplify right side
    209,808,001.80x = 41,982,748,768,040,984
  5. Step 5: Solve for x
    x = 41,982,748,768,040,984/209,808,001.80
  6. Step 6: Final answer
    x = 200,100,798.86

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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.