Home / 261,605,784.97-392,395,633.62-97,831,501.30

Finding the Fourth Proportional to 261,605,784.97, 392,395,633.62 and 97,831,501.30

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Solution

The fourth proportional to 261,605,784.97, 392,395,633.62 and 97,831,501.30 is: 146,742,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,605,784.97 : 392,395,633.62 = 97,831,501.30 : x
  2. Step 2: Convert to fraction form
    261,605,784.97/392,395,633.62 = 97,831,501.30/x
  3. Step 3: Cross multiply
    261,605,784.97x = 392,395,633.62 × 97,831,501.30
  4. Step 4: Simplify right side
    261,605,784.97x = 38,388,653,940,609,352
  5. Step 5: Solve for x
    x = 38,388,653,940,609,352/261,605,784.97
  6. Step 6: Final answer
    x = 146,742,374.01

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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.