Home / 258,068,601.60-387,102,902.40-66,592,377.60

Finding the Fourth Proportional to 258,068,601.60, 387,102,902.40 and 66,592,377.60

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Solution

The fourth proportional to 258,068,601.60, 387,102,902.40 and 66,592,377.60 is: 99,888,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,068,601.60 : 387,102,902.40 = 66,592,377.60 : x
  2. Step 2: Convert to fraction form
    258,068,601.60/387,102,902.40 = 66,592,377.60/x
  3. Step 3: Cross multiply
    258,068,601.60x = 387,102,902.40 × 66,592,377.60
  4. Step 4: Simplify right side
    258,068,601.60x = 25,778,102,646,676,744
  5. Step 5: Solve for x
    x = 25,778,102,646,676,744/258,068,601.60
  6. Step 6: Final answer
    x = 99,888,566.40

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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.