Home / 145,883,519.22-201,318,654.65-78,902,552.10

Finding the Fourth Proportional to 145,883,519.22, 201,318,654.65 and 78,902,552.10

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Solution

The fourth proportional to 145,883,519.22, 201,318,654.65 and 78,902,552.10 is: 108,885,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,883,519.22 : 201,318,654.65 = 78,902,552.10 : x
  2. Step 2: Convert to fraction form
    145,883,519.22/201,318,654.65 = 78,902,552.10/x
  3. Step 3: Cross multiply
    145,883,519.22x = 201,318,654.65 × 78,902,552.10
  4. Step 4: Simplify right side
    145,883,519.22x = 15,884,555,638,175,734
  5. Step 5: Solve for x
    x = 15,884,555,638,175,734/145,883,519.22
  6. Step 6: Final answer
    x = 108,885,196.37

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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.