Home / 71,934,497.32-99,265,530.46-40,570,671.71

Finding the Fourth Proportional to 71,934,497.32, 99,265,530.46 and 40,570,671.71

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Solution

The fourth proportional to 71,934,497.32, 99,265,530.46 and 40,570,671.71 is: 55,985,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,934,497.32 : 99,265,530.46 = 40,570,671.71 : x
  2. Step 2: Convert to fraction form
    71,934,497.32/99,265,530.46 = 40,570,671.71/x
  3. Step 3: Cross multiply
    71,934,497.32x = 99,265,530.46 × 40,570,671.71
  4. Step 4: Simplify right side
    71,934,497.32x = 4,027,269,248,411,665
  5. Step 5: Solve for x
    x = 4,027,269,248,411,665/71,934,497.32
  6. Step 6: Final answer
    x = 55,985,228.21

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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.