Home / 261,605,786.50-392,395,635.84-97,831,502.80

Finding the Fourth Proportional to 261,605,786.50, 392,395,635.84 and 97,831,502.80

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Solution

The fourth proportional to 261,605,786.50, 392,395,635.84 and 97,831,502.80 is: 146,742,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,605,786.50 : 392,395,635.84 = 97,831,502.80 : x
  2. Step 2: Convert to fraction form
    261,605,786.50/392,395,635.84 = 97,831,502.80/x
  3. Step 3: Cross multiply
    261,605,786.50x = 392,395,635.84 × 97,831,502.80
  4. Step 4: Simplify right side
    261,605,786.50x = 38,388,654,746,388,736
  5. Step 5: Solve for x
    x = 38,388,654,746,388,736/261,605,786.50
  6. Step 6: Final answer
    x = 146,742,376.23

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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.