Home / 258,064,345.60-387,096,518.40-231,787,686.40

Finding the Fourth Proportional to 258,064,345.60, 387,096,518.40 and 231,787,686.40

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Solution

The fourth proportional to 258,064,345.60, 387,096,518.40 and 231,787,686.40 is: 347,681,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,064,345.60 : 387,096,518.40 = 231,787,686.40 : x
  2. Step 2: Convert to fraction form
    258,064,345.60/387,096,518.40 = 231,787,686.40/x
  3. Step 3: Cross multiply
    258,064,345.60x = 387,096,518.40 × 231,787,686.40
  4. Step 4: Simplify right side
    258,064,345.60x = 89,724,206,413,431,024
  5. Step 5: Solve for x
    x = 89,724,206,413,431,024/258,064,345.60
  6. Step 6: Final answer
    x = 347,681,529.60

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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.