Home / 258,048,000.20-387,072,000.30-144,565,862.60

Finding the Fourth Proportional to 258,048,000.20, 387,072,000.30 and 144,565,862.60

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Solution

The fourth proportional to 258,048,000.20, 387,072,000.30 and 144,565,862.60 is: 216,848,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,048,000.20 : 387,072,000.30 = 144,565,862.60 : x
  2. Step 2: Convert to fraction form
    258,048,000.20/387,072,000.30 = 144,565,862.60/x
  3. Step 3: Cross multiply
    258,048,000.20x = 387,072,000.30 × 144,565,862.60
  4. Step 4: Simplify right side
    258,048,000.20x = 55,957,397,611,676,960
  5. Step 5: Solve for x
    x = 55,957,397,611,676,960/258,048,000.20
  6. Step 6: Final answer
    x = 216,848,793.90

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1.5x scale

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.