Home / 167,343,141.60-251,014,712.40-90,815,637.60

Finding the Fourth Proportional to 167,343,141.60, 251,014,712.40 and 90,815,637.60

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Solution

The fourth proportional to 167,343,141.60, 251,014,712.40 and 90,815,637.60 is: 136,223,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,343,141.60 : 251,014,712.40 = 90,815,637.60 : x
  2. Step 2: Convert to fraction form
    167,343,141.60/251,014,712.40 = 90,815,637.60/x
  3. Step 3: Cross multiply
    167,343,141.60x = 251,014,712.40 × 90,815,637.60
  4. Step 4: Simplify right side
    167,343,141.60x = 22,796,061,153,586,624
  5. Step 5: Solve for x
    x = 22,796,061,153,586,624/167,343,141.60
  6. Step 6: Final answer
    x = 136,223,456.40

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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.