Home / 243,207,956.10-364,658,669.19-206,332,730.40

Finding the Fourth Proportional to 243,207,956.10, 364,658,669.19 and 206,332,730.40

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Solution

The fourth proportional to 243,207,956.10, 364,658,669.19 and 206,332,730.40 is: 309,369,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,207,956.10 : 364,658,669.19 = 206,332,730.40 : x
  2. Step 2: Convert to fraction form
    243,207,956.10/364,658,669.19 = 206,332,730.40/x
  3. Step 3: Cross multiply
    243,207,956.10x = 364,658,669.19 × 206,332,730.40
  4. Step 4: Simplify right side
    243,207,956.10x = 75,241,018,878,003,056
  5. Step 5: Solve for x
    x = 75,241,018,878,003,056/243,207,956.10
  6. Step 6: Final answer
    x = 309,369,068.70

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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.