Home / 258,063,721.60-387,095,582.40-166,692,611.20

Finding the Fourth Proportional to 258,063,721.60, 387,095,582.40 and 166,692,611.20

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Solution

The fourth proportional to 258,063,721.60, 387,095,582.40 and 166,692,611.20 is: 250,038,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,063,721.60 : 387,095,582.40 = 166,692,611.20 : x
  2. Step 2: Convert to fraction form
    258,063,721.60/387,095,582.40 = 166,692,611.20/x
  3. Step 3: Cross multiply
    258,063,721.60x = 387,095,582.40 × 166,692,611.20
  4. Step 4: Simplify right side
    258,063,721.60x = 64,525,973,414,240,752
  5. Step 5: Solve for x
    x = 64,525,973,414,240,752/258,063,721.60
  6. Step 6: Final answer
    x = 250,038,916.80

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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.