Home / 133,127,892.70-183,712,966.52-74,391,040.51

Finding the Fourth Proportional to 133,127,892.70, 183,712,966.52 and 74,391,040.51

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Solution

The fourth proportional to 133,127,892.70, 183,712,966.52 and 74,391,040.51 is: 102,657,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,127,892.70 : 183,712,966.52 = 74,391,040.51 : x
  2. Step 2: Convert to fraction form
    133,127,892.70/183,712,966.52 = 74,391,040.51/x
  3. Step 3: Cross multiply
    133,127,892.70x = 183,712,966.52 × 74,391,040.51
  4. Step 4: Simplify right side
    133,127,892.70x = 13,666,598,733,770,354
  5. Step 5: Solve for x
    x = 13,666,598,733,770,354/133,127,892.70
  6. Step 6: Final answer
    x = 102,657,665.92

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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.