Home / 133,139,418.41-183,732,646.34-74,402,083.60

Finding the Fourth Proportional to 133,139,418.41, 183,732,646.34 and 74,402,083.60

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Solution

The fourth proportional to 133,139,418.41, 183,732,646.34 and 74,402,083.60 is: 102,675,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139,418.41 : 183,732,646.34 = 74,402,083.60 : x
  2. Step 2: Convert to fraction form
    133,139,418.41/183,732,646.34 = 74,402,083.60/x
  3. Step 3: Cross multiply
    133,139,418.41x = 183,732,646.34 × 74,402,083.60
  4. Step 4: Simplify right side
    133,139,418.41x = 13,670,091,712,764,588
  5. Step 5: Solve for x
    x = 13,670,091,712,764,588/133,139,418.41
  6. Step 6: Final answer
    x = 102,675,014.48

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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.