Home / 197,918,114.40-297,018,889.20-82,985,140.80

Finding the Fourth Proportional to 197,918,114.40, 297,018,889.20 and 82,985,140.80

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Solution

The fourth proportional to 197,918,114.40, 297,018,889.20 and 82,985,140.80 is: 124,537,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,918,114.40 : 297,018,889.20 = 82,985,140.80 : x
  2. Step 2: Convert to fraction form
    197,918,114.40/297,018,889.20 = 82,985,140.80/x
  3. Step 3: Cross multiply
    197,918,114.40x = 297,018,889.20 × 82,985,140.80
  4. Step 4: Simplify right side
    197,918,114.40x = 24,648,154,340,521,596
  5. Step 5: Solve for x
    x = 24,648,154,340,521,596/197,918,114.40
  6. Step 6: Final answer
    x = 124,537,132.01

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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.