Home / 43,842,503.40-65,763,755.10-42,078,906.60

Finding the Fourth Proportional to 43,842,503.40, 65,763,755.10 and 42,078,906.60

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Solution

The fourth proportional to 43,842,503.40, 65,763,755.10 and 42,078,906.60 is: 63,118,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,842,503.40 : 65,763,755.10 = 42,078,906.60 : x
  2. Step 2: Convert to fraction form
    43,842,503.40/65,763,755.10 = 42,078,906.60/x
  3. Step 3: Cross multiply
    43,842,503.40x = 65,763,755.10 × 42,078,906.60
  4. Step 4: Simplify right side
    43,842,503.40x = 2,767,266,908,518,174
  5. Step 5: Solve for x
    x = 2,767,266,908,518,174/43,842,503.40
  6. Step 6: Final answer
    x = 63,118,359.90

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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.