Home / 119,523,928.31-164,938,666.52-66,597,901.43

Finding the Fourth Proportional to 119,523,928.31, 164,938,666.52 and 66,597,901.43

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Solution

The fourth proportional to 119,523,928.31, 164,938,666.52 and 66,597,901.43 is: 91,902,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,523,928.31 : 164,938,666.52 = 66,597,901.43 : x
  2. Step 2: Convert to fraction form
    119,523,928.31/164,938,666.52 = 66,597,901.43/x
  3. Step 3: Cross multiply
    119,523,928.31x = 164,938,666.52 × 66,597,901.43
  4. Step 4: Simplify right side
    119,523,928.31x = 10,984,569,054,374,238
  5. Step 5: Solve for x
    x = 10,984,569,054,374,238/119,523,928.31
  6. Step 6: Final answer
    x = 91,902,677.65

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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.