Home / 85,726,017.47-118,287,880.53-50,473,529.98

Finding the Fourth Proportional to 85,726,017.47, 118,287,880.53 and 50,473,529.98

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Solution

The fourth proportional to 85,726,017.47, 118,287,880.53 and 50,473,529.98 is: 69,645,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726,017.47 : 118,287,880.53 = 50,473,529.98 : x
  2. Step 2: Convert to fraction form
    85,726,017.47/118,287,880.53 = 50,473,529.98/x
  3. Step 3: Cross multiply
    85,726,017.47x = 118,287,880.53 × 50,473,529.98
  4. Step 4: Simplify right side
    85,726,017.47x = 5,970,406,884,201,613
  5. Step 5: Solve for x
    x = 5,970,406,884,201,613/85,726,017.47
  6. Step 6: Final answer
    x = 69,645,214.61

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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.