Home / 101,666,558.14-140,357,464.25-77,779,243.71

Finding the Fourth Proportional to 101,666,558.14, 140,357,464.25 and 77,779,243.71

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Solution

The fourth proportional to 101,666,558.14, 140,357,464.25 and 77,779,243.71 is: 107,379,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,666,558.14 : 140,357,464.25 = 77,779,243.71 : x
  2. Step 2: Convert to fraction form
    101,666,558.14/140,357,464.25 = 77,779,243.71/x
  3. Step 3: Cross multiply
    101,666,558.14x = 140,357,464.25 × 77,779,243.71
  4. Step 4: Simplify right side
    101,666,558.14x = 10,916,897,418,029,466
  5. Step 5: Solve for x
    x = 10,916,897,418,029,466/101,666,558.14
  6. Step 6: Final answer
    x = 107,379,433.49

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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.