Home / 77,343,160.30-106,731,431.26-42,535,863.38

Finding the Fourth Proportional to 77,343,160.30, 106,731,431.26 and 42,535,863.38

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Solution

The fourth proportional to 77,343,160.30, 106,731,431.26 and 42,535,863.38 is: 58,698,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,343,160.30 : 106,731,431.26 = 42,535,863.38 : x
  2. Step 2: Convert to fraction form
    77,343,160.30/106,731,431.26 = 42,535,863.38/x
  3. Step 3: Cross multiply
    77,343,160.30x = 106,731,431.26 × 42,535,863.38
  4. Step 4: Simplify right side
    77,343,160.30x = 4,539,913,578,587,710
  5. Step 5: Solve for x
    x = 4,539,913,578,587,710/77,343,160.30
  6. Step 6: Final answer
    x = 58,698,320.07

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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.