Home / 216,551,345.40-324,827,018.10-165,533,009.40

Finding the Fourth Proportional to 216,551,345.40, 324,827,018.10 and 165,533,009.40

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Solution

The fourth proportional to 216,551,345.40, 324,827,018.10 and 165,533,009.40 is: 248,299,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551,345.40 : 324,827,018.10 = 165,533,009.40 : x
  2. Step 2: Convert to fraction form
    216,551,345.40/324,827,018.10 = 165,533,009.40/x
  3. Step 3: Cross multiply
    216,551,345.40x = 324,827,018.10 × 165,533,009.40
  4. Step 4: Simplify right side
    216,551,345.40x = 53,769,593,840,521,280
  5. Step 5: Solve for x
    x = 53,769,593,840,521,280/216,551,345.40
  6. Step 6: Final answer
    x = 248,299,514.10

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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.