Home / 103,255,339.11-142,487,242.51-56,844,596.58

Finding the Fourth Proportional to 103,255,339.11, 142,487,242.51 and 56,844,596.58

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Solution

The fourth proportional to 103,255,339.11, 142,487,242.51 and 56,844,596.58 is: 78,442,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,255,339.11 : 142,487,242.51 = 56,844,596.58 : x
  2. Step 2: Convert to fraction form
    103,255,339.11/142,487,242.51 = 56,844,596.58/x
  3. Step 3: Cross multiply
    103,255,339.11x = 142,487,242.51 × 56,844,596.58
  4. Step 4: Simplify right side
    103,255,339.11x = 8,099,629,818,277,576
  5. Step 5: Solve for x
    x = 8,099,629,818,277,576/103,255,339.11
  6. Step 6: Final answer
    x = 78,442,721.59

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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.