Home / 199,146,521.60-298,719,782.40-197,871,063.20

Finding the Fourth Proportional to 199,146,521.60, 298,719,782.40 and 197,871,063.20

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Solution

The fourth proportional to 199,146,521.60, 298,719,782.40 and 197,871,063.20 is: 296,806,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,146,521.60 : 298,719,782.40 = 197,871,063.20 : x
  2. Step 2: Convert to fraction form
    199,146,521.60/298,719,782.40 = 197,871,063.20/x
  3. Step 3: Cross multiply
    199,146,521.60x = 298,719,782.40 × 197,871,063.20
  4. Step 4: Simplify right side
    199,146,521.60x = 59,108,000,942,360,640
  5. Step 5: Solve for x
    x = 59,108,000,942,360,640/199,146,521.60
  6. Step 6: Final answer
    x = 296,806,594.80

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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.