Home / 243,471,143.10-365,212,031.48-146,507,961.18

Finding the Fourth Proportional to 243,471,143.10, 365,212,031.48 and 146,507,961.18

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Solution

The fourth proportional to 243,471,143.10, 365,212,031.48 and 146,507,961.18 is: 219,765,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,471,143.10 : 365,212,031.48 = 146,507,961.18 : x
  2. Step 2: Convert to fraction form
    243,471,143.10/365,212,031.48 = 146,507,961.18/x
  3. Step 3: Cross multiply
    243,471,143.10x = 365,212,031.48 × 146,507,961.18
  4. Step 4: Simplify right side
    243,471,143.10x = 53,506,470,130,357,648
  5. Step 5: Solve for x
    x = 53,506,470,130,357,648/243,471,143.10
  6. Step 6: Final answer
    x = 219,765,141.15

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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.