Home / 57,546,424.58-86,353,681.17-21,180,356.78

Finding the Fourth Proportional to 57,546,424.58, 86,353,681.17 and 21,180,356.78

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Solution

The fourth proportional to 57,546,424.58, 86,353,681.17 and 21,180,356.78 is: 31,783,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,546,424.58 : 86,353,681.17 = 21,180,356.78 : x
  2. Step 2: Convert to fraction form
    57,546,424.58/86,353,681.17 = 21,180,356.78/x
  3. Step 3: Cross multiply
    57,546,424.58x = 86,353,681.17 × 21,180,356.78
  4. Step 4: Simplify right side
    57,546,424.58x = 1,829,001,776,446,968
  5. Step 5: Solve for x
    x = 1,829,001,776,446,968/57,546,424.58
  6. Step 6: Final answer
    x = 31,783,065.41

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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.