Home / 204,345,798.40-306,742,646.40-127,755,308.80

Finding the Fourth Proportional to 204,345,798.40, 306,742,646.40 and 127,755,308.80

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Solution

The fourth proportional to 204,345,798.40, 306,742,646.40 and 127,755,308.80 is: 191,772,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,345,798.40 : 306,742,646.40 = 127,755,308.80 : x
  2. Step 2: Convert to fraction form
    204,345,798.40/306,742,646.40 = 127,755,308.80/x
  3. Step 3: Cross multiply
    204,345,798.40x = 306,742,646.40 × 127,755,308.80
  4. Step 4: Simplify right side
    204,345,798.40x = 39,188,001,512,961,208
  5. Step 5: Solve for x
    x = 39,188,001,512,961,208/204,345,798.40
  6. Step 6: Final answer
    x = 191,772,974.14

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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.