Home / 71,287,897.00-98,360,434.85-40,348,066.28

Finding the Fourth Proportional to 71,287,897.00, 98,360,434.85 and 40,348,066.28

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Solution

The fourth proportional to 71,287,897.00, 98,360,434.85 and 40,348,066.28 is: 55,670,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287,897.00 : 98,360,434.85 = 40,348,066.28 : x
  2. Step 2: Convert to fraction form
    71,287,897.00/98,360,434.85 = 40,348,066.28/x
  3. Step 3: Cross multiply
    71,287,897.00x = 98,360,434.85 × 40,348,066.28
  4. Step 4: Simplify right side
    71,287,897.00x = 3,968,653,345,004,193.50
  5. Step 5: Solve for x
    x = 3,968,653,345,004,193.50/71,287,897.00
  6. Step 6: Final answer
    x = 55,670,787.22

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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.