Home / 171,919,614.30-257,879,421.45-103,044,860.70

Finding the Fourth Proportional to 171,919,614.30, 257,879,421.45 and 103,044,860.70

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Solution

The fourth proportional to 171,919,614.30, 257,879,421.45 and 103,044,860.70 is: 154,567,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,919,614.30 : 257,879,421.45 = 103,044,860.70 : x
  2. Step 2: Convert to fraction form
    171,919,614.30/257,879,421.45 = 103,044,860.70/x
  3. Step 3: Cross multiply
    171,919,614.30x = 257,879,421.45 × 103,044,860.70
  4. Step 4: Simplify right side
    171,919,614.30x = 26,573,149,060,711,840
  5. Step 5: Solve for x
    x = 26,573,149,060,711,840/171,919,614.30
  6. Step 6: Final answer
    x = 154,567,291.05

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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.