Home / 258,230,937.60-387,346,406.40-248,186,702.70

Finding the Fourth Proportional to 258,230,937.60, 387,346,406.40 and 248,186,702.70

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Solution

The fourth proportional to 258,230,937.60, 387,346,406.40 and 248,186,702.70 is: 372,280,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,230,937.60 : 387,346,406.40 = 248,186,702.70 : x
  2. Step 2: Convert to fraction form
    258,230,937.60/387,346,406.40 = 248,186,702.70/x
  3. Step 3: Cross multiply
    258,230,937.60x = 387,346,406.40 × 248,186,702.70
  4. Step 4: Simplify right side
    258,230,937.60x = 96,134,227,407,110,160
  5. Step 5: Solve for x
    x = 96,134,227,407,110,160/258,230,937.60
  6. Step 6: Final answer
    x = 372,280,054.05

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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.