Home / 70,524,005.40-105,786,008.10-47,681,227.80

Finding the Fourth Proportional to 70,524,005.40, 105,786,008.10 and 47,681,227.80

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Solution

The fourth proportional to 70,524,005.40, 105,786,008.10 and 47,681,227.80 is: 71,521,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524,005.40 : 105,786,008.10 = 47,681,227.80 : x
  2. Step 2: Convert to fraction form
    70,524,005.40/105,786,008.10 = 47,681,227.80/x
  3. Step 3: Cross multiply
    70,524,005.40x = 105,786,008.10 × 47,681,227.80
  4. Step 4: Simplify right side
    70,524,005.40x = 5,044,006,750,268,745
  5. Step 5: Solve for x
    x = 5,044,006,750,268,745/70,524,005.40
  6. Step 6: Final answer
    x = 71,521,841.70

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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.