Home / 70,272,008.80-105,408,013.20-49,864,674.40

Finding the Fourth Proportional to 70,272,008.80, 105,408,013.20 and 49,864,674.40

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Solution

The fourth proportional to 70,272,008.80, 105,408,013.20 and 49,864,674.40 is: 74,797,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,272,008.80 : 105,408,013.20 = 49,864,674.40 : x
  2. Step 2: Convert to fraction form
    70,272,008.80/105,408,013.20 = 49,864,674.40/x
  3. Step 3: Cross multiply
    70,272,008.80x = 105,408,013.20 × 49,864,674.40
  4. Step 4: Simplify right side
    70,272,008.80x = 5,256,136,257,368,902
  5. Step 5: Solve for x
    x = 5,256,136,257,368,902/70,272,008.80
  6. Step 6: Final answer
    x = 74,797,011.60

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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.