Home / 55,191,678.17-76,161,083.53-30,410,478.23

Finding the Fourth Proportional to 55,191,678.17, 76,161,083.53 and 30,410,478.23

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Solution

The fourth proportional to 55,191,678.17, 76,161,083.53 and 30,410,478.23 is: 41,964,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191,678.17 : 76,161,083.53 = 30,410,478.23 : x
  2. Step 2: Convert to fraction form
    55,191,678.17/76,161,083.53 = 30,410,478.23/x
  3. Step 3: Cross multiply
    55,191,678.17x = 76,161,083.53 × 30,410,478.23
  4. Step 4: Simplify right side
    55,191,678.17x = 2,316,094,972,348,070
  5. Step 5: Solve for x
    x = 2,316,094,972,348,070/55,191,678.17
  6. Step 6: Final answer
    x = 41,964,568.74

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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.