Home / 133,139,420.54-183,732,649.28-74,402,085.72

Finding the Fourth Proportional to 133,139,420.54, 183,732,649.28 and 74,402,085.72

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Solution

The fourth proportional to 133,139,420.54, 183,732,649.28 and 74,402,085.72 is: 102,675,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139,420.54 : 183,732,649.28 = 74,402,085.72 : x
  2. Step 2: Convert to fraction form
    133,139,420.54/183,732,649.28 = 74,402,085.72/x
  3. Step 3: Cross multiply
    133,139,420.54x = 183,732,649.28 × 74,402,085.72
  4. Step 4: Simplify right side
    133,139,420.54x = 13,670,092,321,293,256
  5. Step 5: Solve for x
    x = 13,670,092,321,293,256/133,139,420.54
  6. Step 6: Final answer
    x = 102,675,017.41

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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.