Home / 134,530,140.70-185,651,592.47-72,650,473.80

Finding the Fourth Proportional to 134,530,140.70, 185,651,592.47 and 72,650,473.80

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Solution

The fourth proportional to 134,530,140.70, 185,651,592.47 and 72,650,473.80 is: 100,257,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530,140.70 : 185,651,592.47 = 72,650,473.80 : x
  2. Step 2: Convert to fraction form
    134,530,140.70/185,651,592.47 = 72,650,473.80/x
  3. Step 3: Cross multiply
    134,530,140.70x = 185,651,592.47 × 72,650,473.80
  4. Step 4: Simplify right side
    134,530,140.70x = 13,487,676,154,670,012
  5. Step 5: Solve for x
    x = 13,487,676,154,670,012/134,530,140.70
  6. Step 6: Final answer
    x = 100,257,652.93

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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.