Home / 52,213,403.47-72,050,272.45-30,188,316.01

Finding the Fourth Proportional to 52,213,403.47, 72,050,272.45 and 30,188,316.01

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Solution

The fourth proportional to 52,213,403.47, 72,050,272.45 and 30,188,316.01 is: 41,657,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213,403.47 : 72,050,272.45 = 30,188,316.01 : x
  2. Step 2: Convert to fraction form
    52,213,403.47/72,050,272.45 = 30,188,316.01/x
  3. Step 3: Cross multiply
    52,213,403.47x = 72,050,272.45 × 30,188,316.01
  4. Step 4: Simplify right side
    52,213,403.47x = 2,175,076,392,816,003.75
  5. Step 5: Solve for x
    x = 2,175,076,392,816,003.75/52,213,403.47
  6. Step 6: Final answer
    x = 41,657,433.69

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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.