Home / 121,534,966.53-182,321,436.90-39,634,796.43

Finding the Fourth Proportional to 121,534,966.53, 182,321,436.90 and 39,634,796.43

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Solution

The fourth proportional to 121,534,966.53, 182,321,436.90 and 39,634,796.43 is: 59,458,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,534,966.53 : 182,321,436.90 = 39,634,796.43 : x
  2. Step 2: Convert to fraction form
    121,534,966.53/182,321,436.90 = 39,634,796.43/x
  3. Step 3: Cross multiply
    121,534,966.53x = 182,321,436.90 × 39,634,796.43
  4. Step 4: Simplify right side
    121,534,966.53x = 7,226,273,036,356,590
  5. Step 5: Solve for x
    x = 7,226,273,036,356,590/121,534,966.53
  6. Step 6: Final answer
    x = 59,458,386.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.