Home / 82,588,897.40-123,883,346.10-72,066,365.60

Finding the Fourth Proportional to 82,588,897.40, 123,883,346.10 and 72,066,365.60

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Solution

The fourth proportional to 82,588,897.40, 123,883,346.10 and 72,066,365.60 is: 108,099,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,588,897.40 : 123,883,346.10 = 72,066,365.60 : x
  2. Step 2: Convert to fraction form
    82,588,897.40/123,883,346.10 = 72,066,365.60/x
  3. Step 3: Cross multiply
    82,588,897.40x = 123,883,346.10 × 72,066,365.60
  4. Step 4: Simplify right side
    82,588,897.40x = 8,927,822,511,793,933
  5. Step 5: Solve for x
    x = 8,927,822,511,793,933/82,588,897.40
  6. Step 6: Final answer
    x = 108,099,548.40

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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.