Home / 133,139,420.41-183,732,649.10-74,402,085.60

Finding the Fourth Proportional to 133,139,420.41, 183,732,649.10 and 74,402,085.60

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Solution

The fourth proportional to 133,139,420.41, 183,732,649.10 and 74,402,085.60 is: 102,675,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139,420.41 : 183,732,649.10 = 74,402,085.60 : x
  2. Step 2: Convert to fraction form
    133,139,420.41/183,732,649.10 = 74,402,085.60/x
  3. Step 3: Cross multiply
    133,139,420.41x = 183,732,649.10 × 74,402,085.60
  4. Step 4: Simplify right side
    133,139,420.41x = 13,670,092,285,852,962
  5. Step 5: Solve for x
    x = 13,670,092,285,852,962/133,139,420.41
  6. Step 6: Final answer
    x = 102,675,017.24

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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.