Home / 258,916,648.60-388,225,673.70-97,374,914.20

Finding the Fourth Proportional to 258,916,648.60, 388,225,673.70 and 97,374,914.20

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Solution

The fourth proportional to 258,916,648.60, 388,225,673.70 and 97,374,914.20 is: 146,006,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,648.60 : 388,225,673.70 = 97,374,914.20 : x
  2. Step 2: Convert to fraction form
    258,916,648.60/388,225,673.70 = 97,374,914.20/x
  3. Step 3: Cross multiply
    258,916,648.60x = 388,225,673.70 × 97,374,914.20
  4. Step 4: Simplify right side
    258,916,648.60x = 37,803,441,666,774,696
  5. Step 5: Solve for x
    x = 37,803,441,666,774,696/258,916,648.60
  6. Step 6: Final answer
    x = 146,006,221.97

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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.