Home / 56,311,963.25-77,710,509.29-30,557,851.25

Finding the Fourth Proportional to 56,311,963.25, 77,710,509.29 and 30,557,851.25

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Solution

The fourth proportional to 56,311,963.25, 77,710,509.29 and 30,557,851.25 is: 42,169,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311,963.25 : 77,710,509.29 = 30,557,851.25 : x
  2. Step 2: Convert to fraction form
    56,311,963.25/77,710,509.29 = 30,557,851.25/x
  3. Step 3: Cross multiply
    56,311,963.25x = 77,710,509.29 × 30,557,851.25
  4. Step 4: Simplify right side
    56,311,963.25x = 2,374,666,183,292,773.50
  5. Step 5: Solve for x
    x = 2,374,666,183,292,773.50/56,311,963.25
  6. Step 6: Final answer
    x = 42,169,834.73

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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.