Home / 140,260,042.80-210,390,064.20-63,732,538.80

Finding the Fourth Proportional to 140,260,042.80, 210,390,064.20 and 63,732,538.80

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Solution

The fourth proportional to 140,260,042.80, 210,390,064.20 and 63,732,538.80 is: 95,598,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,260,042.80 : 210,390,064.20 = 63,732,538.80 : x
  2. Step 2: Convert to fraction form
    140,260,042.80/210,390,064.20 = 63,732,538.80/x
  3. Step 3: Cross multiply
    140,260,042.80x = 210,390,064.20 × 63,732,538.80
  4. Step 4: Simplify right side
    140,260,042.80x = 13,408,692,929,760,990
  5. Step 5: Solve for x
    x = 13,408,692,929,760,990/140,260,042.80
  6. Step 6: Final answer
    x = 95,598,808.20

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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.