Home / 74,902,614.10-112,353,921.15-21,049,926.10

Finding the Fourth Proportional to 74,902,614.10, 112,353,921.15 and 21,049,926.10

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Solution

The fourth proportional to 74,902,614.10, 112,353,921.15 and 21,049,926.10 is: 31,574,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,614.10 : 112,353,921.15 = 21,049,926.10 : x
  2. Step 2: Convert to fraction form
    74,902,614.10/112,353,921.15 = 21,049,926.10/x
  3. Step 3: Cross multiply
    74,902,614.10x = 112,353,921.15 × 21,049,926.10
  4. Step 4: Simplify right side
    74,902,614.10x = 2,365,041,737,252,727.50
  5. Step 5: Solve for x
    x = 2,365,041,737,252,727.50/74,902,614.10
  6. Step 6: Final answer
    x = 31,574,889.15

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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.