Home / 201,845,783.02-278,547,287.32-109,026,290.70

Finding the Fourth Proportional to 201,845,783.02, 278,547,287.32 and 109,026,290.70

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Solution

The fourth proportional to 201,845,783.02, 278,547,287.32 and 109,026,290.70 is: 150,456,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,783.02 : 278,547,287.32 = 109,026,290.70 : x
  2. Step 2: Convert to fraction form
    201,845,783.02/278,547,287.32 = 109,026,290.70/x
  3. Step 3: Cross multiply
    201,845,783.02x = 278,547,287.32 × 109,026,290.70
  4. Step 4: Simplify right side
    201,845,783.02x = 30,368,977,521,046,744
  5. Step 5: Solve for x
    x = 30,368,977,521,046,744/201,845,783.02
  6. Step 6: Final answer
    x = 150,456,338.83

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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.