Home / 53,227,800.48-79,807,373.28-20,882,972.16

Finding the Fourth Proportional to 53,227,800.48, 79,807,373.28 and 20,882,972.16

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Solution

The fourth proportional to 53,227,800.48, 79,807,373.28 and 20,882,972.16 is: 31,310,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,227,800.48 : 79,807,373.28 = 20,882,972.16 : x
  2. Step 2: Convert to fraction form
    53,227,800.48/79,807,373.28 = 20,882,972.16/x
  3. Step 3: Cross multiply
    53,227,800.48x = 79,807,373.28 × 20,882,972.16
  4. Step 4: Simplify right side
    53,227,800.48x = 1,666,615,154,368,968
  5. Step 5: Solve for x
    x = 1,666,615,154,368,968/53,227,800.48
  6. Step 6: Final answer
    x = 31,310,990.49

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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.