Home / 103,970,573.04-143,479,425.51-56,930,621.64

Finding the Fourth Proportional to 103,970,573.04, 143,479,425.51 and 56,930,621.64

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Solution

The fourth proportional to 103,970,573.04, 143,479,425.51 and 56,930,621.64 is: 78,564,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,970,573.04 : 143,479,425.51 = 56,930,621.64 : x
  2. Step 2: Convert to fraction form
    103,970,573.04/143,479,425.51 = 56,930,621.64/x
  3. Step 3: Cross multiply
    103,970,573.04x = 143,479,425.51 × 56,930,621.64
  4. Step 4: Simplify right side
    103,970,573.04x = 8,168,372,886,834,374
  5. Step 5: Solve for x
    x = 8,168,372,886,834,374/103,970,573.04
  6. Step 6: Final answer
    x = 78,564,276.87

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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.