Home / 258,615,521.36-356,897,746.76-147,103,503.44

Finding the Fourth Proportional to 258,615,521.36, 356,897,746.76 and 147,103,503.44

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Solution

The fourth proportional to 258,615,521.36, 356,897,746.76 and 147,103,503.44 is: 203,007,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,615,521.36 : 356,897,746.76 = 147,103,503.44 : x
  2. Step 2: Convert to fraction form
    258,615,521.36/356,897,746.76 = 147,103,503.44/x
  3. Step 3: Cross multiply
    258,615,521.36x = 356,897,746.76 × 147,103,503.44
  4. Step 4: Simplify right side
    258,615,521.36x = 52,500,908,918,237,904
  5. Step 5: Solve for x
    x = 52,500,908,918,237,904/258,615,521.36
  6. Step 6: Final answer
    x = 203,007,571.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.