Home / 72,587,614.34-108,902,678.97-21,470,994.38

Finding the Fourth Proportional to 72,587,614.34, 108,902,678.97 and 21,470,994.38

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Solution

The fourth proportional to 72,587,614.34, 108,902,678.97 and 21,470,994.38 is: 32,212,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,587,614.34 : 108,902,678.97 = 21,470,994.38 : x
  2. Step 2: Convert to fraction form
    72,587,614.34/108,902,678.97 = 21,470,994.38/x
  3. Step 3: Cross multiply
    72,587,614.34x = 108,902,678.97 × 21,470,994.38
  4. Step 4: Simplify right side
    72,587,614.34x = 2,338,248,808,131,814
  5. Step 5: Solve for x
    x = 2,338,248,808,131,814/72,587,614.34
  6. Step 6: Final answer
    x = 32,212,779.40

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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.