Home / 134,530,069.86-185,651,494.56-72,650,406.60

Finding the Fourth Proportional to 134,530,069.86, 185,651,494.56 and 72,650,406.60

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Solution

The fourth proportional to 134,530,069.86, 185,651,494.56 and 72,650,406.60 is: 100,257,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530,069.86 : 185,651,494.56 = 72,650,406.60 : x
  2. Step 2: Convert to fraction form
    134,530,069.86/185,651,494.56 = 72,650,406.60/x
  3. Step 3: Cross multiply
    134,530,069.86x = 185,651,494.56 × 72,650,406.60
  4. Step 4: Simplify right side
    134,530,069.86x = 13,487,656,565,681,688
  5. Step 5: Solve for x
    x = 13,487,656,565,681,688/134,530,069.86
  6. Step 6: Final answer
    x = 100,257,560.11

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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.