Home / 209,259,902.78-313,896,652.56-61,695,088.32

Finding the Fourth Proportional to 209,259,902.78, 313,896,652.56 and 61,695,088.32

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Solution

The fourth proportional to 209,259,902.78, 313,896,652.56 and 61,695,088.32 is: 92,544,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,259,902.78 : 313,896,652.56 = 61,695,088.32 : x
  2. Step 2: Convert to fraction form
    209,259,902.78/313,896,652.56 = 61,695,088.32/x
  3. Step 3: Cross multiply
    209,259,902.78x = 313,896,652.56 × 61,695,088.32
  4. Step 4: Simplify right side
    209,259,902.78x = 19,365,881,703,041,556
  5. Step 5: Solve for x
    x = 19,365,881,703,041,556/209,259,902.78
  6. Step 6: Final answer
    x = 92,544,636.82

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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.