Home / 258,657,744.60-388,135,916.10-97,116,010.20

Finding the Fourth Proportional to 258,657,744.60, 388,135,916.10 and 97,116,010.20

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Solution

The fourth proportional to 258,657,744.60, 388,135,916.10 and 97,116,010.20 is: 145,730,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,657,744.60 : 388,135,916.10 = 97,116,010.20 : x
  2. Step 2: Convert to fraction form
    258,657,744.60/388,135,916.10 = 97,116,010.20/x
  3. Step 3: Cross multiply
    258,657,744.60x = 388,135,916.10 × 97,116,010.20
  4. Step 4: Simplify right side
    258,657,744.60x = 37,694,211,586,953,944
  5. Step 5: Solve for x
    x = 37,694,211,586,953,944/258,657,744.60
  6. Step 6: Final answer
    x = 145,730,071.39

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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.