Home / 56,311,963.63-77,710,509.80-30,557,851.63

Finding the Fourth Proportional to 56,311,963.63, 77,710,509.80 and 30,557,851.63

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Solution

The fourth proportional to 56,311,963.63, 77,710,509.80 and 30,557,851.63 is: 42,169,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311,963.63 : 77,710,509.80 = 30,557,851.63 : x
  2. Step 2: Convert to fraction form
    56,311,963.63/77,710,509.80 = 30,557,851.63/x
  3. Step 3: Cross multiply
    56,311,963.63x = 77,710,509.80 × 30,557,851.63
  4. Step 4: Simplify right side
    56,311,963.63x = 2,374,666,228,560,061
  5. Step 5: Solve for x
    x = 2,374,666,228,560,061/56,311,963.63
  6. Step 6: Final answer
    x = 42,169,835.24

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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.