Home / 102,290,403.48-141,162,837.66-55,883,663.16

Finding the Fourth Proportional to 102,290,403.48, 141,162,837.66 and 55,883,663.16

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Solution

The fourth proportional to 102,290,403.48, 141,162,837.66 and 55,883,663.16 is: 77,120,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,290,403.48 : 141,162,837.66 = 55,883,663.16 : x
  2. Step 2: Convert to fraction form
    102,290,403.48/141,162,837.66 = 55,883,663.16/x
  3. Step 3: Cross multiply
    102,290,403.48x = 141,162,837.66 × 55,883,663.16
  4. Step 4: Simplify right side
    102,290,403.48x = 7,888,696,470,501,202
  5. Step 5: Solve for x
    x = 7,888,696,470,501,202/102,290,403.48
  6. Step 6: Final answer
    x = 77,120,591.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.